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<title>File Source for ISBN.php</title>
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    <td class="header_top">ISBN</td>
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  		  [ <a href="../classtrees_ISBN.html" class="menu">class tree: ISBN</a> ]
		  [ <a href="../elementindex_ISBN.html" class="menu">index: ISBN</a> ]
		  [ <a href="../elementindex.html" class="menu">all elements</a> ]
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      <b>Packages:</b><br />
              <a href="../li_ISBN.html">ISBN</a><br />
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<h1 align="center">Source for file ISBN.php</h1>
<p>Documentation is available at <a href="../ISBN/_ISBN.php.html">ISBN.php</a></p>
<div class="src-code">
<ol><li><div class="src-line"><a name="a1"></a><span class="src-php">&lt;?php</span></div></li>
<li><div class="src-line"><a name="a2"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a3"></a><span class="src-doc">&nbsp;*&nbsp;ISBN</span></div></li>
<li><div class="src-line"><a name="a4"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a5"></a><span class="src-doc">&nbsp;*&nbsp;Handle,&nbsp;Convert&nbsp;and&nbsp;Validate&nbsp;ISBN&nbsp;Numbers</span></div></li>
<li><div class="src-line"><a name="a6"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a7"></a><span class="src-doc">&nbsp;*&nbsp;PHP&nbsp;version&nbsp;5</span></div></li>
<li><div class="src-line"><a name="a8"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a9"></a><span class="src-doc">&nbsp;*&nbsp;LICENSE:&nbsp;LGPL&nbsp;(In&nbsp;cases&nbsp;LGPL&nbsp;is&nbsp;not&nbsp;appropriate,&nbsp;it&nbsp;is&nbsp;licensed&nbsp;under&nbsp;GPL)</span></div></li>
<li><div class="src-line"><a name="a10"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a11"></a><span class="src-doc">&nbsp;*&nbsp;Package&nbsp;to&nbsp;handle,&nbsp;convert&nbsp;and&nbsp;validate&nbsp;ISBN&nbsp;numbers.&nbsp;It&nbsp;includes:</span></div></li>
<li><div class="src-line"><a name="a12"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a13"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;ISBN&nbsp;specifics:&nbsp;EAN/PrefixArrayAccess&nbsp;(integer)</span></div></li>
<li><div class="src-line"><a name="a14"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;ISBN&nbsp;specifics:&nbsp;Group/Registration&nbsp;Group&nbsp;[2001:&nbsp;Group&nbsp;identifier]&nbsp;(integer)</span></div></li>
<li><div class="src-line"><a name="a15"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;ISBN&nbsp;specifics:&nbsp;GroupTitle/Registration&nbsp;Group&nbsp;Title&nbsp;(string)</span></div></li>
<li><div class="src-line"><a name="a16"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;ISBN&nbsp;specifics:&nbsp;Publisher/Registrant&nbsp;[2001:&nbsp;Publisher&nbsp;identifier]&nbsp;(string)</span></div></li>
<li><div class="src-line"><a name="a17"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;ISBN&nbsp;specifics:&nbsp;Title/Publication&nbsp;[2001:&nbsp;Title&nbsp;identifier]&nbsp;(string)</span></div></li>
<li><div class="src-line"><a name="a18"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;ISBN&nbsp;specifics:&nbsp;Checkdigit&nbsp;(string)</span></div></li>
<li><div class="src-line"><a name="a19"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;ISBN&nbsp;specifics:&nbsp;'ISBNBody'&nbsp;(string)</span></div></li>
<li><div class="src-line"><a name="a20"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;ISBN&nbsp;specifics:&nbsp;'ISBNSubbody'&nbsp;(string)</span></div></li>
<li><div class="src-line"><a name="a21"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;ISBN&nbsp;Version&nbsp;handling</span></div></li>
<li><div class="src-line"><a name="a22"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;Syntactical&nbsp;Validation&nbsp;plus&nbsp;Validation&nbsp;based&nbsp;on&nbsp;real&nbsp;ISBN&nbsp;Data</span></div></li>
<li><div class="src-line"><a name="a23"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;ISBN-10&nbsp;(ISO&nbsp;2108)&nbsp;checksum&nbsp;calculation</span></div></li>
<li><div class="src-line"><a name="a24"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;Validation&nbsp;(ISBN-10&nbsp;and&nbsp;ISBN-13-978)</span></div></li>
<li><div class="src-line"><a name="a25"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;Conversion&nbsp;to&nbsp;ISBN-13-978</span></div></li>
<li><div class="src-line"><a name="a26"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;ISBN-13-978&nbsp;(2005&nbsp;Handbook,&nbsp;ISO&nbsp;pending;&nbsp;ISBN-13)</span></div></li>
<li><div class="src-line"><a name="a27"></a><span class="src-doc">&nbsp;*&nbsp;&nbsp;-&nbsp;ISBN-13&nbsp;checksum&nbsp;calculation&nbsp;(EAN)</span></div></li>
<li><div class="src-line"><a name="a28"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a29"></a><span class="src-doc">&nbsp;*&nbsp;Based&nbsp;on&nbsp;standards&nbsp;published&nbsp;by&nbsp;international&nbsp;ISBN&nbsp;Agency</span></div></li>
<li><div class="src-line"><a name="a30"></a><span class="src-doc">&nbsp;*&nbsp;http://www.isbn-international.org/</span></div></li>
<li><div class="src-line"><a name="a31"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a32"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@category</span><span class="src-doc">&nbsp;&nbsp;Pending</span></div></li>
<li><div class="src-line"><a name="a33"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@package</span><span class="src-doc">&nbsp;&nbsp;&nbsp;ISBN</span></div></li>
<li><div class="src-line"><a name="a34"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@author</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;Tom&nbsp;Klingenberg&nbsp;&lt;tkli-php@lastflood.net&gt;</span></div></li>
<li><div class="src-line"><a name="a35"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@copyright</span><span class="src-doc">&nbsp;2006-2007&nbsp;Tom&nbsp;Klingenberg</span></div></li>
<li><div class="src-line"><a name="a36"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@license</span><span class="src-doc">&nbsp;&nbsp;&nbsp;LGPL&nbsp;http://www.gnu.org/licenses/lgpl.txt</span></div></li>
<li><div class="src-line"><a name="a37"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@version</span><span class="src-doc">&nbsp;&nbsp;&nbsp;v&nbsp;0.1.6&nbsp;CVS:&nbsp;&lt;cvs_id&gt;</span></div></li>
<li><div class="src-line"><a name="a38"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@link</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;http://isbn.lastflood.com&nbsp;online&nbsp;docs</span></div></li>
<li><div class="src-line"><a name="a39"></a><span class="src-doc">&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a40"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@todo</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;License&nbsp;for&nbsp;.js&nbsp;file&nbsp;or&nbsp;remove&nbsp;it</span></div></li>
<li><div class="src-line"><a name="a41"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@todo</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;GroupTitle</span></div></li>
<li><div class="src-line"><a name="a42"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@todo</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PEAR&nbsp;Package.xml</span></div></li>
<li><div class="src-line"><a name="a43"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a44"></a><span class="src-doc">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a45"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a46"></a><span class="src-comm">//&nbsp;{{{&nbsp;constants</span></div></li>
<li><div class="src-line"><a name="a47"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a48"></a><span class="src-doc">&nbsp;*&nbsp;ISBN&nbsp;Versions&nbsp;supported</span></div></li>
<li><div class="src-line"><a name="a49"></a><span class="src-doc">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a50"></a><a href="http://www.php.net/define">define</a><span class="src-sym">(</span><span class="src-str">'ISBN_VERSION_NONE'</span><span class="src-sym">,&nbsp;</span><span class="src-id">false</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a51"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a52"></a><span class="src-doc">&nbsp;*&nbsp;VERSION_UNKNOWN&nbsp;is&nbsp;by&nbsp;the&nbsp;caller&nbsp;only,&nbsp;this&nbsp;shall&nbsp;never</span></div></li>
<li><div class="src-line"><a name="a53"></a><span class="src-doc">&nbsp;*&nbsp;be&nbsp;a&nbsp;value&nbsp;returned&nbsp;by&nbsp;a&nbsp;public&nbsp;function&nbsp;or&nbsp;getter</span></div></li>
<li><div class="src-line"><a name="a54"></a><span class="src-doc">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a55"></a><a href="http://www.php.net/define">define</a><span class="src-sym">(</span><span class="src-str">'ISBN_VERSION_UNKNOWN'</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a56"></a><a href="http://www.php.net/define">define</a><span class="src-sym">(</span><span class="src-str">'ISBN_VERSION_ISBN_10'</span><span class="src-sym">,&nbsp;</span><span class="src-num">10</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a57"></a><a href="http://www.php.net/define">define</a><span class="src-sym">(</span><span class="src-str">'ISBN_VERSION_ISBN_13'</span><span class="src-sym">,&nbsp;</span><span class="src-num">13978</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a58"></a><a href="http://www.php.net/define">define</a><span class="src-sym">(</span><span class="src-str">'ISBN_VERSION_ISBN_13_978'</span><span class="src-sym">,&nbsp;</span><span class="src-id">ISBN_VERSION_ISBN_13</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a59"></a><a href="http://www.php.net/define">define</a><span class="src-sym">(</span><span class="src-str">'ISBN_VERSION_ISBN_13_979'</span><span class="src-sym">,&nbsp;</span><span class="src-num">13979</span><span class="src-sym">)</span><span class="src-sym">;&nbsp;&nbsp;</span><span class="src-doc">/*&nbsp;reserved&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a60"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a61"></a><span class="src-comm">/*</span></div></li>
<li><div class="src-line"><a name="a62"></a><span class="src-comm">&nbsp;*&nbsp;Default&nbsp;ISBN&nbsp;Version&nbsp;for&nbsp;class&nbsp;input&nbsp;/&nbsp;usage</span></div></li>
<li><div class="src-line"><a name="a63"></a><span class="src-comm">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a64"></a><a href="http://www.php.net/define">define</a><span class="src-sym">(</span><span class="src-str">'ISBN_DEFAULT_INPUTVERSION'</span><span class="src-sym">,&nbsp;</span><span class="src-id">ISBN_VERSION_UNKNOWN</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a65"></a><span class="src-comm">/*</span></div></li>
<li><div class="src-line"><a name="a66"></a><span class="src-comm">&nbsp;*&nbsp;Default&nbsp;ISBN&nbsp;Seperator&nbsp;string</span></div></li>
<li><div class="src-line"><a name="a67"></a><span class="src-comm">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a68"></a><a href="http://www.php.net/define">define</a><span class="src-sym">(</span><span class="src-str">'ISBN_DEFAULT_COSMETIC_SEPERATOR'</span><span class="src-sym">,&nbsp;</span><span class="src-str">'-'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a69"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a70"></a><span class="src-comm">/*</span></div></li>
<li><div class="src-line"><a name="a71"></a><span class="src-comm">&nbsp;*&nbsp;ISBN_DEFAULT_PRINT_LANG_SPECIFIC_PREFIX</span></div></li>
<li><div class="src-line"><a name="a72"></a><span class="src-comm">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a73"></a><span class="src-comm">&nbsp;*&nbsp;When&nbsp;printed,&nbsp;the&nbsp;ISBN&nbsp;is&nbsp;always&nbsp;preceded&nbsp;by&nbsp;the&nbsp;letters&nbsp;&quot;ISBN&quot;.</span></div></li>
<li><div class="src-line"><a name="a74"></a><span class="src-comm">&nbsp;*&nbsp;Note:&nbsp;In&nbsp;countries&nbsp;where&nbsp;the&nbsp;Latin&nbsp;alphabet&nbsp;is&nbsp;not&nbsp;used,&nbsp;an&nbsp;abbreviation</span></div></li>
<li><div class="src-line"><a name="a75"></a><span class="src-comm">&nbsp;*&nbsp;in&nbsp;the&nbsp;characters&nbsp;of&nbsp;the&nbsp;local&nbsp;script&nbsp;may&nbsp;be&nbsp;used&nbsp;in&nbsp;addition&nbsp;to&nbsp;the</span></div></li>
<li><div class="src-line"><a name="a76"></a><span class="src-comm">&nbsp;*&nbsp;Latin&nbsp;letters&nbsp;&quot;ISBN&quot;.</span></div></li>
<li><div class="src-line"><a name="a77"></a><span class="src-comm">&nbsp;*&nbsp;This&nbsp;can&nbsp;be&nbsp;defined&nbsp;as&nbsp;a&nbsp;default&nbsp;value&nbsp;wihtin&nbsp;this&nbsp;constant.</span></div></li>
<li><div class="src-line"><a name="a78"></a><span class="src-comm">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a79"></a><a href="http://www.php.net/define">define</a><span class="src-sym">(</span><span class="src-str">'ISBN_DEFAULT_PRINT_LANG_SPECIFIC_PREFIX'</span><span class="src-sym">,&nbsp;</span><span class="src-str">''</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a80"></a><span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a81"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a82"></a><span class="src-inc">require_once&nbsp;</span><span class="src-str">'PEAR/Exception.php'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a83"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a84"></a><span class="src-comm">//&nbsp;{{{&nbsp;ISBN_Exception</span></div></li>
<li><div class="src-line"><a name="a85"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a86"></a><span class="src-doc">&nbsp;*&nbsp;ISBN_Exception&nbsp;class</span></div></li>
<li><div class="src-line"><a name="a87"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a88"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@category</span><span class="src-doc">&nbsp;&nbsp;Pending</span></div></li>
<li><div class="src-line"><a name="a89"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@package</span><span class="src-doc">&nbsp;&nbsp;&nbsp;ISBN</span></div></li>
<li><div class="src-line"><a name="a90"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@author</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;Tom&nbsp;Klingenberg&nbsp;&lt;tkli-php@lastflood.net&gt;</span></div></li>
<li><div class="src-line"><a name="a91"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@copyright</span><span class="src-doc">&nbsp;2006-2007&nbsp;Tom&nbsp;Klingenberg</span></div></li>
<li><div class="src-line"><a name="a92"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@license</span><span class="src-doc">&nbsp;&nbsp;&nbsp;LGPL&nbsp;http://www.gnu.org/licenses/lgpl.txt</span></div></li>
<li><div class="src-line"><a name="a93"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@link</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;http://isbn.lastflood.com/</span></div></li>
<li><div class="src-line"><a name="a94"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@since</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Class&nbsp;available&nbsp;since&nbsp;Release&nbsp;0.1.3</span></div></li>
<li><div class="src-line"><a name="a95"></a><span class="src-doc">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a96"></a><span class="src-key">class&nbsp;</span><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a>&nbsp;<span class="src-key">Extends&nbsp;</span><span class="src-id">PEAR_Exception</span></div></li>
<li><div class="src-line"><a name="a97"></a><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a98"></a><span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a99"></a><span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a100"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a101"></a><span class="src-comm">//&nbsp;{{{&nbsp;ISBN</span></div></li>
<li><div class="src-line"><a name="a102"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a103"></a><span class="src-doc">&nbsp;*&nbsp;ISBN&nbsp;class</span></div></li>
<li><div class="src-line"><a name="a104"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a105"></a><span class="src-doc">&nbsp;*&nbsp;Class&nbsp;to&nbsp;Handle,&nbsp;Convert&nbsp;and&nbsp;Validate&nbsp;ISBN&nbsp;Numbers</span></div></li>
<li><div class="src-line"><a name="a106"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a107"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@category</span><span class="src-doc">&nbsp;&nbsp;Pending</span></div></li>
<li><div class="src-line"><a name="a108"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@package</span><span class="src-doc">&nbsp;&nbsp;&nbsp;ISBN</span></div></li>
<li><div class="src-line"><a name="a109"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@author</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;Tom&nbsp;Klingenberg&nbsp;&lt;tkli-php@lastflood.net&gt;</span></div></li>
<li><div class="src-line"><a name="a110"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@copyright</span><span class="src-doc">&nbsp;2006-2007&nbsp;Tom&nbsp;Klingenberg</span></div></li>
<li><div class="src-line"><a name="a111"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@license</span><span class="src-doc">&nbsp;&nbsp;&nbsp;LGPL&nbsp;http://www.gnu.org/licenses/lgpl.txt</span></div></li>
<li><div class="src-line"><a name="a112"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@link</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;http://isbn.lastflood.com/</span></div></li>
<li><div class="src-line"><a name="a113"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@since</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Class&nbsp;available&nbsp;since&nbsp;Release&nbsp;0.0.0</span></div></li>
<li><div class="src-line"><a name="a114"></a><span class="src-doc">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a115"></a><span class="src-key">class&nbsp;</span><a href="../ISBN/ISBN.html">ISBN</a></div></li>
<li><div class="src-line"><a name="a116"></a><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a117"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a118"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@var&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">ISBN&nbsp;Registration&nbsp;Group</span></div></li>
<li><div class="src-line"><a name="a119"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a120"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-var">$isbn_group&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a121"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a122"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@var&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">ISBN&nbsp;Publisher</span></div></li>
<li><div class="src-line"><a name="a123"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a124"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-var">$isbn_publisher&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a125"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a126"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@var&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">ISBN&nbsp;Title</span></div></li>
<li><div class="src-line"><a name="a127"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a128"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-var">$isbn_title&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a129"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a130"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a131"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@var&nbsp;</span><span class="src-doc-type">mixed&nbsp;</span><span class="src-doc">ISBN&nbsp;number&nbsp;version</span></div></li>
<li><div class="src-line"><a name="a132"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a133"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-var">$ver&nbsp;</span>=&nbsp;<span class="src-id">ISBN_VERSION_NONE</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a134"></a>&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a135"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a136"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@var&nbsp;</span><span class="src-doc-type">array&nbsp;</span><span class="src-doc">ISBN&nbsp;Groups&nbsp;Data&nbsp;acting&nbsp;as&nbsp;cache</span></div></li>
<li><div class="src-line"><a name="a137"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@see</span><span class="src-doc">&nbsp;_getISBN10Groups()</span></div></li>
<li><div class="src-line"><a name="a138"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a139"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-var">$varISBN10Groups&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a140"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a141"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;__construct</span></div></li>
<li><div class="src-line"><a name="a142"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a143"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Constructor</span></div></li>
<li><div class="src-line"><a name="a144"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a145"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">array&nbsp;</span><span class="src-doc-var">$isbn&nbsp;</span><span class="src-doc">String&nbsp;of&nbsp;ISBN&nbsp;Value&nbsp;to&nbsp;use</span></div></li>
<li><div class="src-line"><a name="a146"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">mixed&nbsp;</span><span class="src-doc-var">$ver&nbsp;</span><span class="src-doc">&nbsp;Optional&nbsp;Version&nbsp;Constant</span></div></li>
<li><div class="src-line"><a name="a147"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a148"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@access</span><span class="src-doc">&nbsp;public</span></div></li>
<li><div class="src-line"><a name="a149"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a150"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@throws</span><span class="src-doc">&nbsp;ISBN_Exception&nbsp;in&nbsp;case&nbsp;it&nbsp;fails</span></div></li>
<li><div class="src-line"><a name="a151"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a152"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../ISBN/ISBN.html#method__construct">__construct</a><span class="src-sym">(</span><span class="src-var">$isbn&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">,&nbsp;</span><span class="src-var">$ver&nbsp;</span>=&nbsp;<span class="src-id">ISBN_DEFAULT_INPUTVERSION</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a153"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a154"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;validate&nbsp;&amp;&nbsp;handle&nbsp;optional&nbsp;isbn&nbsp;parameter&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a155"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/is_string">is_string</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-id">false&nbsp;</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a156"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span><span class="src-str">'ISBN&nbsp;parameter&nbsp;must&nbsp;be&nbsp;a&nbsp;string'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a157"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a158"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a159"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodsetISBN">setISBN</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a160"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a161"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a162"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a163"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;validate&nbsp;version&nbsp;parameter&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a164"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionIs</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a165"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span></div></li>
<li><div class="src-line"><a name="a166"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-str">'ISBN&nbsp;Version&nbsp;parameter&nbsp;is&nbsp;not&nbsp;an&nbsp;ISBN&nbsp;Version'</span></div></li>
<li><div class="src-line"><a name="a167"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a168"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a169"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a170"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;ISBN&nbsp;has&nbsp;been&nbsp;passed,&nbsp;check&nbsp;the&nbsp;version&nbsp;now:</span></div></li>
<li><div class="src-line"><a name="a171"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;if&nbsp;it&nbsp;is&nbsp;unknown,&nbsp;try&nbsp;to&nbsp;dertine&nbsp;it,&nbsp;if&nbsp;this&nbsp;fails</span></div></li>
<li><div class="src-line"><a name="a172"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;throw&nbsp;an&nbsp;exception</span></div></li>
<li><div class="src-line"><a name="a173"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a174"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver&nbsp;</span>==&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_UNKNOWN">ISBN_VERSION_UNKNOWN</a></span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a175"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$verguess&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionGuess</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a176"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionIsValid</span><span class="src-sym">(</span><span class="src-var">$verguess</span><span class="src-sym">))&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a177"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$ver&nbsp;</span>=&nbsp;<span class="src-var">$verguess</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a178"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span><span class="src-key">else&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a179"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;throw&nbsp;new&nbsp;ISBN_Exception(</span></div></li>
<li><div class="src-line"><a name="a180"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*'ISBN&nbsp;Version&nbsp;couldn\'t&nbsp;determined.');</span></div></li>
<li><div class="src-line"><a name="a181"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a182"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$ver&nbsp;</span>=&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_NONE">ISBN_VERSION_NONE</a></span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a183"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a184"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a185"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;version&nbsp;determined&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a186"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">ver&nbsp;</span>=&nbsp;<span class="src-var">$ver</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a187"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a188"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;handle&nbsp;a&nbsp;complete&nbsp;invalid&nbsp;ISBN&nbsp;of&nbsp;which&nbsp;a&nbsp;version&nbsp;could</span></div></li>
<li><div class="src-line"><a name="a189"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;not&nbsp;be&nbsp;determined.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a190"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver&nbsp;</span>===&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_NONE">ISBN_VERSION_NONE</a></span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a191"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodsetISBN">setISBN</a><span class="src-sym">(</span><span class="src-str">''</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a192"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a193"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a194"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a195"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;try&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a196"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodsetISBN">setISBN</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a197"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span>catch<span class="src-sym">(</span><span class="src-id">Exception&nbsp;</span><span class="src-var">$e</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a198"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;the&nbsp;isbn&nbsp;is&nbsp;invalid&nbsp;and&nbsp;not&nbsp;set,&nbsp;sothat&nbsp;this</span></div></li>
<li><div class="src-line"><a name="a199"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;ISBN&nbsp;object&nbsp;will&nbsp;be&nbsp;set&nbsp;to&nbsp;a&nbsp;blank&nbsp;value.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a200"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodsetISBN">setISBN</a><span class="src-sym">(</span><span class="src-str">''</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a201"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a202"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a203"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a204"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a205"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a206"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_extractCheckdigit()</span></div></li>
<li><div class="src-line"><a name="a207"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a208"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;extract&nbsp;Checkdigit&nbsp;of&nbsp;an&nbsp;ISBN-Number</span></div></li>
<li><div class="src-line"><a name="a209"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a210"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbnn&nbsp;</span><span class="src-doc">normalized&nbsp;ISBN&nbsp;string</span></div></li>
<li><div class="src-line"><a name="a211"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a212"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">ISBN-Body&nbsp;or&nbsp;false&nbsp;if&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a213"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a214"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a215"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_extractCheckdigit</span><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a216"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a217"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$checkdigit&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a218"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$checkdigit&nbsp;</span>=&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">,&nbsp;</span>-<span class="src-num">1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a219"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span>(string)&nbsp;<span class="src-var">$checkdigit</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a220"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a221"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a222"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a223"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_extractEANPrefix()</span></div></li>
<li><div class="src-line"><a name="a224"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a225"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;extracts&nbsp;EAN-Prefix&nbsp;of&nbsp;a&nbsp;normalized&nbsp;isbn&nbsp;string</span></div></li>
<li><div class="src-line"><a name="a226"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a227"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbnn&nbsp;</span><span class="src-doc">normalized&nbsp;isbn&nbsp;string</span></div></li>
<li><div class="src-line"><a name="a228"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a229"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">Prefix&nbsp;or&nbsp;false&nbsp;if&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a230"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a231"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_extractEANPrefix</span><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a232"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a233"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<a href="http://www.php.net/settype">settype</a><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">,&nbsp;</span><span class="src-str">'string'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a234"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a235"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a236"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a237"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)&nbsp;</span>&lt;&nbsp;<span class="src-num">3</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a238"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a239"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a240"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$prefix&nbsp;</span>=&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-num">3</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a241"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$prefix</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a242"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a243"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a244"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a245"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_extractGroup()</span></div></li>
<li><div class="src-line"><a name="a246"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a247"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;extract&nbsp;Registration&nbsp;Group&nbsp;of&nbsp;an&nbsp;ISBN-Body</span></div></li>
<li><div class="src-line"><a name="a248"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a249"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbnbody&nbsp;</span><span class="src-doc">ISBN-Body</span></div></li>
<li><div class="src-line"><a name="a250"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a251"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">integer</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">&nbsp;&nbsp;&nbsp;Registration&nbsp;Group&nbsp;or&nbsp;false&nbsp;if&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a252"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a253"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_extractGroup</span><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a254"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a255"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$group&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a256"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$subbody&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a257"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a258"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnBodyParts</span><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">,&nbsp;</span><span class="src-var">$group</span><span class="src-sym">,&nbsp;</span><span class="src-var">$subbody</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a259"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a260"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a261"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a262"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$group</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a263"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a264"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a265"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a266"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_extractISBNBody()</span></div></li>
<li><div class="src-line"><a name="a267"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a268"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;extract&nbsp;ISBN-Body&nbsp;of&nbsp;an&nbsp;ISBN-Number</span></div></li>
<li><div class="src-line"><a name="a269"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a270"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbnn&nbsp;</span><span class="src-doc">normalized&nbsp;ISBN&nbsp;string</span></div></li>
<li><div class="src-line"><a name="a271"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a272"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">ISBN-Body&nbsp;or&nbsp;false&nbsp;if&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a273"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a274"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_extractISBNBody</span><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a275"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a276"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;extract&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a277"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$body&nbsp;&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a278"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbnn&nbsp;</span>=&nbsp;(string)&nbsp;<span class="src-var">$isbnn</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a279"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a280"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$l&nbsp;</span>=&nbsp;<a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a281"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$l&nbsp;</span>==&nbsp;<span class="src-num">10</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a282"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$body&nbsp;</span>=&nbsp;&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span>-<span class="src-num">1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a283"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span><span class="src-key">elseif&nbsp;</span><span class="src-sym">(</span><span class="src-var">$l&nbsp;</span>==&nbsp;<span class="src-num">13</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a284"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$body&nbsp;</span>=&nbsp;&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">,&nbsp;</span><span class="src-num">3</span><span class="src-sym">,&nbsp;</span>-<span class="src-num">1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a285"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span><span class="src-key">else&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a286"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a287"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a288"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;verify&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a289"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<a href="http://www.php.net/settype">settype</a><span class="src-sym">(</span><span class="src-var">$body</span><span class="src-sym">,&nbsp;</span><span class="src-str">'string'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a290"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a291"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a292"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a293"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$body</span><span class="src-sym">)&nbsp;</span>!=&nbsp;<span class="src-num">9</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a294"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a295"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a296"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/ctype_digit">ctype_digit</a><span class="src-sym">(</span><span class="src-var">$body</span><span class="src-sym">)&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a297"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a298"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a299"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$body</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a300"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a301"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a302"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a303"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_isbnBodyParts()</span></div></li>
<li><div class="src-line"><a name="a304"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a305"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;the&nbsp;2&nbsp;Parts&nbsp;of&nbsp;the&nbsp;ISBN-Body&nbsp;(ISBN-10/ISBN-13-978)</span></div></li>
<li><div class="src-line"><a name="a306"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a307"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbnbody&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ISBN-Body</span></div></li>
<li><div class="src-line"><a name="a308"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">&amp;$registrationgroup&nbsp;</span><span class="src-doc">Registration&nbsp;Group</span></div></li>
<li><div class="src-line"><a name="a309"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">&amp;$isbnsubbody&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ISBN-Subbody</span></div></li>
<li><div class="src-line"><a name="a310"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a311"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">boolean&nbsp;</span><span class="src-doc">&nbsp;False&nbsp;if&nbsp;failed,&nbsp;True&nbsp;on&nbsp;success</span></div></li>
<li><div class="src-line"><a name="a312"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a313"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@access</span><span class="src-doc">&nbsp;private</span></div></li>
<li><div class="src-line"><a name="a314"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a315"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_isbnBodyParts</span><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">,&nbsp;</span></div></li>
<li><div class="src-line"><a name="a316"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">&amp;</span><span class="src-var">$registrationgroup</span><span class="src-sym">,&nbsp;</span></div></li>
<li><div class="src-line"><a name="a317"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">&amp;</span><span class="src-var">$isbnsubbody</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a318"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a319"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;validate&nbsp;input&nbsp;(should&nbsp;not&nbsp;be&nbsp;needed,&nbsp;@access&nbsp;private)&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a320"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<a href="http://www.php.net/settype">settype</a><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">,&nbsp;</span><span class="src-str">'string'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a321"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a322"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a323"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a324"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">)&nbsp;</span>!=&nbsp;<span class="src-num">9</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a325"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a326"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a327"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/ctype_digit">ctype_digit</a><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">)&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a328"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a329"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a330"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;extract&nbsp;registraion&nbsp;group</span></div></li>
<li><div class="src-line"><a name="a331"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;boundaries&nbsp;see&nbsp;p.13&nbsp;2005&nbsp;handbook</span></div></li>
<li><div class="src-line"><a name="a332"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a333"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$boundaries&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a334"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a335"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$boundaries</span><span class="src-sym">[</span><span class="src-sym">]&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(&nbsp;&nbsp;&nbsp;&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-num">59999</span><span class="src-sym">,&nbsp;</span><span class="src-num">1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a336"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$boundaries</span><span class="src-sym">[</span><span class="src-sym">]&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-num">60000</span><span class="src-sym">,&nbsp;</span><span class="src-num">60099</span><span class="src-sym">,&nbsp;</span><span class="src-num">3</span><span class="src-sym">)</span><span class="src-sym">;&nbsp;</span><span class="src-comm">//&nbsp;Iran&nbsp;2006-12-05</span></div></li>
<li><div class="src-line"><a name="a337"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$boundaries</span><span class="src-sym">[</span><span class="src-sym">]&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-num">60100</span><span class="src-sym">,&nbsp;</span><span class="src-num">69999</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a338"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$boundaries</span><span class="src-sym">[</span><span class="src-sym">]&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-num">70000</span><span class="src-sym">,&nbsp;</span><span class="src-num">79999</span><span class="src-sym">,&nbsp;</span><span class="src-num">1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a339"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$boundaries</span><span class="src-sym">[</span><span class="src-sym">]&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-num">80000</span><span class="src-sym">,&nbsp;</span><span class="src-num">94999</span><span class="src-sym">,&nbsp;</span><span class="src-num">2</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a340"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$boundaries</span><span class="src-sym">[</span><span class="src-sym">]&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-num">95000</span><span class="src-sym">,&nbsp;</span><span class="src-num">98999</span><span class="src-sym">,&nbsp;</span><span class="src-num">3</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a341"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$boundaries</span><span class="src-sym">[</span><span class="src-sym">]&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-num">99000</span><span class="src-sym">,&nbsp;</span><span class="src-num">99899</span><span class="src-sym">,&nbsp;</span><span class="src-num">4</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a342"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$boundaries</span><span class="src-sym">[</span><span class="src-sym">]&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-num">99900</span><span class="src-sym">,&nbsp;</span><span class="src-num">99999</span><span class="src-sym">,&nbsp;</span><span class="src-num">5</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a343"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;segment&nbsp;value&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a344"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$segment&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-num">5</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a345"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$segmentvalue&nbsp;</span>=&nbsp;<a href="http://www.php.net/intval">intval</a><span class="src-sym">(</span><span class="src-var">$segment</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a346"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;test&nbsp;segment&nbsp;value&nbsp;against&nbsp;boundaries&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a347"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a348"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">foreach&nbsp;</span><span class="src-sym">(</span><span class="src-var">$boundaries&nbsp;</span><span class="src-key">as&nbsp;</span><span class="src-var">$boundary</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a349"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$segmentvalue&nbsp;</span>&gt;=&nbsp;<span class="src-var">$boundary</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]&nbsp;</span>&amp;&amp;&nbsp;<span class="src-var">$segmentvalue&nbsp;</span>&lt;=&nbsp;<span class="src-var">$boundary</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a350"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-var">$boundary</span><span class="src-sym">[</span><span class="src-num">2</span><span class="src-sym">]</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a351"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a352"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a353"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a354"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a355"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a356"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;$r&nbsp;is&nbsp;0&nbsp;when&nbsp;the&nbsp;boundary&nbsp;is&nbsp;not&nbsp;defined&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a357"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a358"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a359"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a360"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$registrationgroup&nbsp;</span>=&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-var">$r</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a361"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbnsubbody&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">,&nbsp;</span><span class="src-var">$r</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a362"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">true</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a363"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a364"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a365"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a366"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_isbnSubbodyParts()</span></div></li>
<li><div class="src-line"><a name="a367"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a368"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;the&nbsp;2&nbsp;Parts&nbsp;of&nbsp;the&nbsp;ISBN-Subbody&nbsp;(ISBN-10/ISBN-13)</span></div></li>
<li><div class="src-line"><a name="a369"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a370"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">&nbsp;</span><span class="src-doc-var">$isbnsubbody&nbsp;</span><span class="src-doc">&nbsp;ISBN-Subbody</span></div></li>
<li><div class="src-line"><a name="a371"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">integer&nbsp;</span><span class="src-doc-var">$groupid&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Registrationgroup</span></div></li>
<li><div class="src-line"><a name="a372"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">&nbsp;</span><span class="src-doc-var">&amp;$registrant&nbsp;</span><span class="src-doc">&nbsp;Registrant</span></div></li>
<li><div class="src-line"><a name="a373"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">&nbsp;</span><span class="src-doc-var">&amp;$publication&nbsp;</span><span class="src-doc">Publication</span></div></li>
<li><div class="src-line"><a name="a374"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a375"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">boolean&nbsp;</span><span class="src-doc">&nbsp;False&nbsp;if&nbsp;failed,&nbsp;true&nbsp;on&nbsp;success</span></div></li>
<li><div class="src-line"><a name="a376"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a377"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@access</span><span class="src-doc">&nbsp;private</span></div></li>
<li><div class="src-line"><a name="a378"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a379"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_isbnSubbodyParts</span><span class="src-sym">(</span><span class="src-var">$isbnsubbody</span><span class="src-sym">,&nbsp;</span></div></li>
<li><div class="src-line"><a name="a380"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$groupid</span><span class="src-sym">,&nbsp;</span></div></li>
<li><div class="src-line"><a name="a381"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">&amp;</span><span class="src-var">$registrant</span><span class="src-sym">,&nbsp;</span></div></li>
<li><div class="src-line"><a name="a382"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">&amp;</span><span class="src-var">$publication</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a383"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a384"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;validate&nbsp;input&nbsp;(should&nbsp;not&nbsp;be&nbsp;needed,&nbsp;@access&nbsp;private)&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a385"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<a href="http://www.php.net/settype">settype</a><span class="src-sym">(</span><span class="src-var">$isbnsubbody</span><span class="src-sym">,&nbsp;</span><span class="src-str">'string'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a386"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a387"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a388"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a389"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$l&nbsp;</span>=&nbsp;<a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$isbnsubbody</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a390"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(&nbsp;</span><span class="src-var">$l&nbsp;</span>&lt;&nbsp;<span class="src-num">1&nbsp;</span>||&nbsp;<span class="src-var">$l&nbsp;</span>&gt;&nbsp;<span class="src-num">8</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a391"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a392"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a393"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/ctype_digit">ctype_digit</a><span class="src-sym">(</span><span class="src-var">$isbnsubbody</span><span class="src-sym">)&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a394"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a395"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a396"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<a href="http://www.php.net/settype">settype</a><span class="src-sym">(</span><span class="src-var">$groupid</span><span class="src-sym">,&nbsp;</span><span class="src-str">'integer'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a397"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a398"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a399"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a400"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$groupid&nbsp;</span>&lt;&nbsp;<span class="src-num">0&nbsp;</span>||&nbsp;<span class="src-var">$groupid&nbsp;</span>&gt;&nbsp;<span class="src-num">99999</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a401"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a402"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a403"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;extract&nbsp;registrant&nbsp;based&nbsp;on&nbsp;group&nbsp;and&nbsp;registrant&nbsp;range</span></div></li>
<li><div class="src-line"><a name="a404"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;parse&nbsp;this&nbsp;specific&nbsp;group&nbsp;format:&nbsp;</span></div></li>
<li><div class="src-line"><a name="a405"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;array(</span></div></li>
<li><div class="src-line"><a name="a406"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'English&nbsp;speaking&nbsp;area',</span></div></li>
<li><div class="src-line"><a name="a407"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'00-09;10-19;200-699;7000-8499;85000-89999;'&nbsp;.</span></div></li>
<li><div class="src-line"><a name="a408"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'900000-949999;9500000-9999999'</span></div></li>
<li><div class="src-line"><a name="a409"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;);</span></div></li>
<li><div class="src-line"><a name="a410"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/&nbsp;</span></div></li>
<li><div class="src-line"><a name="a411"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a412"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$group&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_getISBN10Group</span><span class="src-sym">(</span><span class="src-var">$groupid</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a413"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$group&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a414"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a415"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a416"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a417"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$len&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_getRegistrantLength</span><span class="src-sym">(</span><span class="src-var">$isbnsubbody</span><span class="src-sym">,&nbsp;</span><span class="src-var">$group</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a418"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$len&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a419"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a420"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a421"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$registrant&nbsp;&nbsp;</span>=&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbnsubbody</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-var">$len</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a422"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$publication&nbsp;</span>=&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbnsubbody</span><span class="src-sym">,&nbsp;</span><span class="src-var">$len</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a423"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">true</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a424"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a425"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a426"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a427"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_getRegistrantLength()</span></div></li>
<li><div class="src-line"><a name="a428"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a429"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Return&nbsp;Length&nbsp;of&nbsp;Registrant&nbsp;part&nbsp;within&nbsp;an&nbsp;ISBNSubbody&nbsp;in&nbsp;a&nbsp;specific</span></div></li>
<li><div class="src-line"><a name="a430"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;grouprange&nbsp;in&nbsp;this&nbsp;specific&nbsp;format:</span></div></li>
<li><div class="src-line"><a name="a431"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a432"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;'00-09;10-19;200-699;7000-8499;85000-89999;900000-949999;9500000-9999999'</span></div></li>
<li><div class="src-line"><a name="a433"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a434"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Info:&nbsp;This&nbsp;function&nbsp;is&nbsp;compatible&nbsp;with&nbsp;Groupranges&nbsp;formatted&nbsp;in&nbsp;the</span></div></li>
<li><div class="src-line"><a name="a435"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;.js&nbsp;file&nbsp;and&nbsp;might&nbsp;become&nbsp;obsolete&nbsp;if&nbsp;new&nbsp;formats&nbsp;are&nbsp;more&nbsp;fitting.</span></div></li>
<li><div class="src-line"><a name="a436"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a437"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbnsubbody&nbsp;</span><span class="src-doc">ISBN-Subbody</span></div></li>
<li><div class="src-line"><a name="a438"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$grouprange&nbsp;</span><span class="src-doc">&nbsp;Grouprange&nbsp;in&nbsp;the&nbsp;Format&nbsp;'#a1-#z1;#a2-z2[...]'</span></div></li>
<li><div class="src-line"><a name="a439"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a440"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">boolean</span><span class="src-doc">|</span><span class="src-doc-type">int</span><span class="src-doc">&nbsp;False&nbsp;if&nbsp;failed&nbsp;or&nbsp;Length&nbsp;(in&nbsp;chars)&nbsp;of&nbsp;Registrant</span></div></li>
<li><div class="src-line"><a name="a441"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a442"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@access</span><span class="src-doc">&nbsp;private</span></div></li>
<li><div class="src-line"><a name="a443"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a444"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_getRegistrantLength</span><span class="src-sym">(</span><span class="src-var">$isbnsubbody</span><span class="src-sym">,&nbsp;</span><span class="src-var">$grouprange</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a445"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a446"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<a href="http://www.php.net/settype">settype</a><span class="src-sym">(</span><span class="src-var">$grouprange</span><span class="src-sym">,&nbsp;</span><span class="src-str">'string'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a447"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a448"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a449"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a450"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$grouprange</span><span class="src-sym">)&nbsp;</span>&lt;&nbsp;<span class="src-num">3</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a451"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a452"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a453"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a454"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$sl&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$isbnsubbody</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a455"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$ranges&nbsp;</span>=&nbsp;<a href="http://www.php.net/explode">explode</a><span class="src-sym">(</span><span class="src-str">';'</span><span class="src-sym">,&nbsp;</span><span class="src-var">$grouprange</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a456"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">foreach&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ranges&nbsp;</span><span class="src-key">as&nbsp;</span><span class="src-var">$range</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a457"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$range&nbsp;&nbsp;</span>=&nbsp;<a href="http://www.php.net/trim">trim</a><span class="src-sym">(</span><span class="src-var">$range</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a458"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$fromto&nbsp;</span>=&nbsp;<a href="http://www.php.net/explode">explode</a><span class="src-sym">(</span><span class="src-str">'-'</span><span class="src-sym">,&nbsp;</span><span class="src-var">$range</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a459"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/count">count</a><span class="src-sym">(</span><span class="src-var">$fromto</span><span class="src-sym">)&nbsp;</span>!==&nbsp;<span class="src-num">2</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a460"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a461"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a462"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;validation:</span></div></li>
<li><div class="src-line"><a name="a463"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;from&nbsp;and&nbsp;to&nbsp;need&nbsp;to&nbsp;be&nbsp;in&nbsp;the&nbsp;same&nbsp;class,</span></div></li>
<li><div class="src-line"><a name="a464"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;having&nbsp;the&nbsp;same&nbsp;length.</span></div></li>
<li><div class="src-line"><a name="a465"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;registrant&nbsp;can&nbsp;not&nbsp;be&nbsp;bigger&nbsp;or&nbsp;same&nbsp;then&nbsp;the</span></div></li>
<li><div class="src-line"><a name="a466"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;whole&nbsp;subbody,&nbsp;at&nbsp;least&nbsp;there&nbsp;is&nbsp;one&nbsp;digit&nbsp;for</span></div></li>
<li><div class="src-line"><a name="a467"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;the&nbsp;publication.</span></div></li>
<li><div class="src-line"><a name="a468"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a469"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a470"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$l&nbsp;</span>=&nbsp;<a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$fromto</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a471"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$l&nbsp;</span>!=&nbsp;<a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$fromto</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">))&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a472"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a473"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a474"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$l&nbsp;</span>&gt;=&nbsp;<span class="src-var">$sl</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a475"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a476"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a477"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a478"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;check&nbsp;that&nbsp;from/to&nbsp;values&nbsp;are&nbsp;in&nbsp;order&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a479"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/strcmp">strcmp</a><span class="src-sym">(</span><span class="src-var">$fromto</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">,&nbsp;</span><span class="src-var">$fromto</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">)&nbsp;</span>&gt;=&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a480"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a481"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a482"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a483"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;compare&nbsp;and&nbsp;fire&nbsp;if&nbsp;matched&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a484"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$comparec&nbsp;</span>=&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbnsubbody</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-var">$l</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a485"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a486"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/strcmp">strcmp</a><span class="src-sym">(</span><span class="src-var">$fromto</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">,&nbsp;</span><span class="src-var">$comparec</span><span class="src-sym">)&nbsp;</span>&lt;&nbsp;<span class="src-num">1&nbsp;</span>&amp;&amp;&nbsp;</div></li>
<li><div class="src-line"><a name="a487"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="http://www.php.net/strcmp">strcmp</a><span class="src-sym">(</span><span class="src-var">$fromto</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">,&nbsp;</span><span class="src-var">$comparec</span><span class="src-sym">)&nbsp;</span>&gt;&nbsp;-<span class="src-num">1</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a488"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$l</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a489"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a490"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a491"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a492"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a493"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a494"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a495"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_getISBN10Group()</span></div></li>
<li><div class="src-line"><a name="a496"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a497"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;ISBN-10&nbsp;Registration&nbsp;Group&nbsp;Data&nbsp;by&nbsp;its&nbsp;numeric&nbsp;ID</span></div></li>
<li><div class="src-line"><a name="a498"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a499"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">integer&nbsp;</span><span class="src-doc-var">$id&nbsp;</span><span class="src-doc">Registration&nbsp;Group&nbsp;Identifier</span></div></li>
<li><div class="src-line"><a name="a500"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a501"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">mixed&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;array:&nbsp;&nbsp;&nbsp;group&nbsp;array</span></div></li>
<li><div class="src-line"><a name="a502"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;boolean:&nbsp;False&nbsp;if&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a503"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a504"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_getISBN10Group</span><span class="src-sym">(</span><span class="src-var">$id</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a505"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a506"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<a href="http://www.php.net/settype">settype</a><span class="src-sym">(</span><span class="src-var">$id</span><span class="src-sym">,&nbsp;</span><span class="src-str">'integer'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a507"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a508"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a509"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a510"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$groups&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_getISBN10Groups</span><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a511"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$groups&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a512"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a513"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a514"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span>isset<span class="src-sym">(</span><span class="src-var">$groups</span><span class="src-sym">[</span><span class="src-var">$id</span><span class="src-sym">]</span><span class="src-sym">)&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a515"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a516"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a517"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$group&nbsp;</span>=&nbsp;<span class="src-var">$groups</span><span class="src-sym">[</span><span class="src-var">$id</span><span class="src-sym">]</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a518"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$group</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a519"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a520"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a521"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a522"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_getISBN10Groups()</span></div></li>
<li><div class="src-line"><a name="a523"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a524"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;all&nbsp;ISBN-10&nbsp;Registration&nbsp;Groups</span></div></li>
<li><div class="src-line"><a name="a525"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a526"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">array&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;groups&nbsp;array</span></div></li>
<li><div class="src-line"><a name="a527"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a528"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;Info:&nbsp;This&nbsp;function&nbsp;connects&nbsp;outer&nbsp;world&nbsp;data&nbsp;into&nbsp;this&nbsp;class&nbsp;logic</span></div></li>
<li><div class="src-line"><a name="a529"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;which&nbsp;can&nbsp;be&nbsp;generated&nbsp;with&nbsp;the&nbsp;supplied&nbsp;tools.</span></div></li>
<li><div class="src-line"><a name="a530"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A&nbsp;user&nbsp;should&nbsp;not&nbsp;alter&nbsp;the&nbsp;array&nbsp;data.&nbsp;This&nbsp;data&nbsp;should&nbsp;be&nbsp;altered</span></div></li>
<li><div class="src-line"><a name="a531"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;together&nbsp;with&nbsp;the&nbsp;international&nbsp;ISBN&nbsp;Agency&nbsp;only.</span></div></li>
<li><div class="src-line"><a name="a532"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a533"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_getISBN10Groups</span><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a534"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a535"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;check&nbsp;if&nbsp;data&nbsp;has&nbsp;been&nbsp;already&nbsp;loaded&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a536"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/sizeof">sizeof</a><span class="src-sym">(</span><span class="src-id">self</span><span class="src-sym">::</span><span class="src-var">$varISBN10Groups</span><span class="src-sym">)&nbsp;</span>&gt;&nbsp;<span class="src-num">0&nbsp;</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a537"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">self</span><span class="src-sym">::</span><span class="src-var">$varISBN10Groups</span><span class="src-sym">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a538"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a539"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a540"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;load&nbsp;external&nbsp;data&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a541"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;try&nbsp;<span class="src-sym">{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a542"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$t&nbsp;</span>=&nbsp;<span class="src-id">file_get_contents</span><span class="src-sym">(</span><span class="src-str">'data/groups.csv'</span><span class="src-sym">,&nbsp;</span><span class="src-id">true</span><span class="src-sym">,&nbsp;</span><span class="src-id">null</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a543"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span>catch<span class="src-sym">(</span><span class="src-id">Exception&nbsp;</span><span class="src-var">$e</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a544"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span></div></li>
<li><div class="src-line"><a name="a545"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-str">'Unable&nbsp;to&nbsp;read&nbsp;ISBN&nbsp;Groups&nbsp;Data&nbsp;file.'</span></div></li>
<li><div class="src-line"><a name="a546"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">)</span><span class="src-sym">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a547"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a548"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a549"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;parse&nbsp;external&nbsp;data&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a550"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$groups&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a551"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$tls&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<a href="http://www.php.net/split">split</a><span class="src-sym">(</span><span class="src-str">&quot;\n&quot;</span><span class="src-sym">,&nbsp;</span><span class="src-var">$t</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a552"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$line&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a553"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">foreach&nbsp;</span><span class="src-sym">(</span><span class="src-var">$tls&nbsp;</span><span class="src-key">as&nbsp;</span><span class="src-var">$tl</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a554"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$line</span>++<span class="src-sym">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a555"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$tlp&nbsp;</span>=&nbsp;<a href="http://www.php.net/split">split</a><span class="src-sym">(</span><span class="src-str">','</span><span class="src-sym">,&nbsp;</span><span class="src-var">$tl</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a556"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/sizeof">sizeof</a><span class="src-sym">(</span><span class="src-var">$tlp</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-num">3</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a557"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$index&nbsp;</span>=&nbsp;<a href="http://www.php.net/intval">intval</a><span class="src-sym">(</span><span class="src-var">$tlp</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a558"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span>isset<span class="src-sym">(</span><span class="src-var">$groups</span><span class="src-sym">[</span><span class="src-var">$index</span><span class="src-sym">]</span><span class="src-sym">))&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a559"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span></div></li>
<li><div class="src-line"><a name="a560"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-str">'ISBN&nbsp;Groups&nbsp;Data&nbsp;is&nbsp;invalid,&nbsp;Group&nbsp;'&nbsp;</span>.</div></li>
<li><div class="src-line"><a name="a561"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$index&nbsp;</span>.&nbsp;<span class="src-str">'is&nbsp;a&nbsp;duplicate.'</span></div></li>
<li><div class="src-line"><a name="a562"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">)</span><span class="src-sym">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a563"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a564"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;edit+&nbsp;mature:&nbsp;sanitize&nbsp;external&nbsp;</span></div></li>
<li><div class="src-line"><a name="a565"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;data&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a566"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$groups</span><span class="src-sym">[</span><span class="src-var">$index</span><span class="src-sym">]&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-var">$tlp</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]</span><span class="src-sym">,</span><span class="src-var">$tlp</span><span class="src-sym">[</span><span class="src-num">2</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a567"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span><span class="src-key">else&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a568"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span></div></li>
<li><div class="src-line"><a name="a569"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-str">'ISBN&nbsp;Groups&nbsp;Data&nbsp;is&nbsp;malformed&nbsp;on&nbsp;line&nbsp;#'&nbsp;</span>.&nbsp;<span class="src-var">$line&nbsp;</span>.&nbsp;</div></li>
<li><div class="src-line"><a name="a570"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-str">'&nbsp;('&nbsp;</span>.&nbsp;<a href="http://www.php.net/sizeof">sizeof</a><span class="src-sym">(</span><span class="src-var">$tlp</span><span class="src-sym">)&nbsp;</span>.&nbsp;<span class="src-str">').'</span></div></li>
<li><div class="src-line"><a name="a571"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a572"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a573"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a574"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a575"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;verify&nbsp;minimum&nbsp;*/&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a576"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/sizeof">sizeof</a><span class="src-sym">(</span><span class="src-var">$groups</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-num">0&nbsp;</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a577"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span></div></li>
<li><div class="src-line"><a name="a578"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-str">'ISBN&nbsp;Groups&nbsp;Data&nbsp;does&nbsp;not&nbsp;contain&nbsp;any&nbsp;valid&nbsp;data.'</span></div></li>
<li><div class="src-line"><a name="a579"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">)</span><span class="src-sym">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a580"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a581"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a582"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-var">$varISBN10Groups&nbsp;</span>=&nbsp;<span class="src-var">$groups</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a583"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a584"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;return&nbsp;groups&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a585"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$groups</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a586"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a587"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a588"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a589"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_getVersion()</span></div></li>
<li><div class="src-line"><a name="a590"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a591"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;the&nbsp;Version&nbsp;of&nbsp;am&nbsp;ISBN&nbsp;Number</span></div></li>
<li><div class="src-line"><a name="a592"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a593"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbn&nbsp;</span><span class="src-doc">ISBN&nbsp;Number&nbsp;ofwhich&nbsp;the&nbsp;version&nbsp;to&nbsp;get</span></div></li>
<li><div class="src-line"><a name="a594"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a595"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">mixed&nbsp;</span><span class="src-doc">false&nbsp;for&nbsp;no,&nbsp;or&nbsp;fully&nbsp;identifyable&nbsp;ISBN</span></div></li>
<li><div class="src-line"><a name="a596"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Version&nbsp;Constant</span></div></li>
<li><div class="src-line"><a name="a597"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a598"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@access</span><span class="src-doc">&nbsp;private</span></div></li>
<li><div class="src-line"><a name="a599"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a600"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_getVersion</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a601"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a602"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$ver&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionGuess</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a603"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionIsValid</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a604"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$r</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a605"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a606"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a607"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a608"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_checkdigitISBN10()</span></div></li>
<li><div class="src-line"><a name="a609"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a610"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Calculate&nbsp;checkdigit&nbsp;of&nbsp;an&nbsp;ISBN-10&nbsp;string&nbsp;(ISBN-Body)</span></div></li>
<li><div class="src-line"><a name="a611"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;as&nbsp;documented&nbsp;on&nbsp;pp.4-5&nbsp;2001&nbsp;handbook.</span></div></li>
<li><div class="src-line"><a name="a612"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a613"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbnbody&nbsp;</span><span class="src-doc">ISBN-Body</span></div></li>
<li><div class="src-line"><a name="a614"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a615"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">Checkdigit&nbsp;[0-9,X]&nbsp;or&nbsp;false&nbsp;if&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a616"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a617"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@access</span><span class="src-doc">&nbsp;private</span></div></li>
<li><div class="src-line"><a name="a618"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a619"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_checkdigitISBN10</span><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a620"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a621"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;The&nbsp;check&nbsp;digit&nbsp;is&nbsp;the&nbsp;last&nbsp;digit&nbsp;of&nbsp;an&nbsp;ISBN.&nbsp;It&nbsp;is&nbsp;calculated</span></div></li>
<li><div class="src-line"><a name="a622"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;on&nbsp;a&nbsp;modulus&nbsp;11&nbsp;with&nbsp;weights&nbsp;10-2,&nbsp;using&nbsp;X&nbsp;in&nbsp;lieu&nbsp;of&nbsp;10&nbsp;where</span></div></li>
<li><div class="src-line"><a name="a623"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;ten&nbsp;would&nbsp;occur&nbsp;as&nbsp;a&nbsp;check&nbsp;digit.</span></div></li>
<li><div class="src-line"><a name="a624"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;This&nbsp;means&nbsp;that&nbsp;each&nbsp;of&nbsp;the&nbsp;first&nbsp;nine&nbsp;digits&nbsp;of&nbsp;the&nbsp;ISBN&nbsp;�</span></div></li>
<li><div class="src-line"><a name="a625"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;excluding&nbsp;the&nbsp;check&nbsp;digit&nbsp;itself&nbsp;�&nbsp;is&nbsp;multiplied&nbsp;by&nbsp;a&nbsp;number</span></div></li>
<li><div class="src-line"><a name="a626"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;ranging&nbsp;from&nbsp;10&nbsp;to&nbsp;2&nbsp;and&nbsp;that&nbsp;the&nbsp;resulting&nbsp;sum&nbsp;of&nbsp;the&nbsp;products,</span></div></li>
<li><div class="src-line"><a name="a627"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;plus&nbsp;the&nbsp;check&nbsp;digit,&nbsp;must&nbsp;be&nbsp;divisible&nbsp;by&nbsp;11&nbsp;without&nbsp;a</span></div></li>
<li><div class="src-line"><a name="a628"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;remainder.&nbsp;(pp.4-5&nbsp;2001&nbsp;Handbook)</span></div></li>
<li><div class="src-line"><a name="a629"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a630"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">)&nbsp;</span>!=&nbsp;<span class="src-num">9</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a631"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a632"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a633"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$sum&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a634"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">for&nbsp;</span><span class="src-sym">(</span><span class="src-var">$i&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">;&nbsp;</span><span class="src-var">$i&nbsp;</span>&lt;&nbsp;<span class="src-num">10</span><span class="src-sym">;&nbsp;</span><span class="src-var">$i</span>++<span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a635"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$v&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<a href="http://www.php.net/intval">intval</a><span class="src-sym">(</span><a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">,&nbsp;</span><span class="src-var">$i</span><span class="src-sym">,&nbsp;</span><span class="src-num">1</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a636"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$sum&nbsp;</span>+=&nbsp;<span class="src-var">$v&nbsp;</span>*&nbsp;<span class="src-sym">(</span><span class="src-num">10&nbsp;</span>-&nbsp;<span class="src-var">$i</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a637"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a638"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$remainder&nbsp;&nbsp;</span>=&nbsp;<span class="src-var">$sum&nbsp;</span>%&nbsp;<span class="src-num">11</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a639"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$checkdigit&nbsp;</span>=&nbsp;<span class="src-num">11&nbsp;</span>-&nbsp;<span class="src-var">$remainder</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a640"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$remainder&nbsp;</span>==&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a641"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$checkdigit&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a642"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a643"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$checkdigit&nbsp;</span>==&nbsp;<span class="src-num">10</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a644"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$checkdigit&nbsp;</span>=&nbsp;<span class="src-str">'X'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a645"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a646"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span>(string)&nbsp;<span class="src-var">$checkdigit</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a647"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a648"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a649"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a650"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_checkdigitISBN13()</span></div></li>
<li><div class="src-line"><a name="a651"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a652"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Calculate&nbsp;checkdigit&nbsp;of&nbsp;an&nbsp;ISBN-13&nbsp;string&nbsp;(Prefix&nbsp;+&nbsp;ISBN-Body)</span></div></li>
<li><div class="src-line"><a name="a653"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;as&nbsp;documented&nbsp;on&nbsp;pp.10-11&nbsp;2005&nbsp;handbook.</span></div></li>
<li><div class="src-line"><a name="a654"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a655"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbnbody&nbsp;</span><span class="src-doc">ISBN-Body</span></div></li>
<li><div class="src-line"><a name="a656"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$prefix&nbsp;</span><span class="src-doc">&nbsp;&nbsp;EAN-Prefix&nbsp;(Default&nbsp;978&nbsp;for&nbsp;ISBN13-978)</span></div></li>
<li><div class="src-line"><a name="a657"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a658"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">Checkdigit&nbsp;[0-9]&nbsp;or&nbsp;false&nbsp;if&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a659"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a660"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@access</span><span class="src-doc">&nbsp;private</span></div></li>
<li><div class="src-line"><a name="a661"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a662"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_checkdigitISBN13</span><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">,&nbsp;</span><span class="src-var">$prefix&nbsp;</span>=&nbsp;<span class="src-str">'978'</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a663"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a664"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$prefixandisbnbody&nbsp;</span>=&nbsp;<span class="src-var">$prefix&nbsp;</span>.&nbsp;<span class="src-var">$isbnbody</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a665"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a666"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$t&nbsp;</span>=&nbsp;<span class="src-var">$prefixandisbnbody</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a667"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$l&nbsp;</span>=&nbsp;<a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$t</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a668"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$l&nbsp;</span>!=&nbsp;<span class="src-num">12</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a669"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a670"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a671"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Step&nbsp;1:&nbsp;Determine&nbsp;the&nbsp;sum&nbsp;of&nbsp;the&nbsp;weighted&nbsp;products&nbsp;for&nbsp;the&nbsp;first&nbsp;12</span></div></li>
<li><div class="src-line"><a name="a672"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;digits&nbsp;of&nbsp;the&nbsp;ISBN&nbsp;(see&nbsp;p.10&nbsp;2005&nbsp;handbook)</span></div></li>
<li><div class="src-line"><a name="a673"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a674"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$ii&nbsp;</span>=&nbsp;<span class="src-num">1</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a675"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$sum&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a676"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">for&nbsp;</span><span class="src-sym">(</span><span class="src-var">$i&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">;&nbsp;</span><span class="src-var">$i&nbsp;</span>&lt;&nbsp;<span class="src-num">13</span><span class="src-sym">;&nbsp;</span><span class="src-var">$i</span>++<span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a677"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$ii&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-num">1&nbsp;</span>-&nbsp;<span class="src-var">$ii</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a678"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$sum&nbsp;</span>+=&nbsp;<a href="http://www.php.net/intval">intval</a><span class="src-sym">(</span><a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$t</span><span class="src-sym">,&nbsp;</span><span class="src-var">$i</span><span class="src-sym">,&nbsp;</span><span class="src-num">1</span><span class="src-sym">))&nbsp;</span>*&nbsp;<span class="src-sym">(</span><span class="src-var">$ii&nbsp;</span>*&nbsp;<span class="src-num">2&nbsp;</span>+&nbsp;<span class="src-num">1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a679"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a680"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Step&nbsp;2:&nbsp;Divide&nbsp;the&nbsp;sum&nbsp;of&nbsp;the&nbsp;weighted&nbsp;products&nbsp;of&nbsp;the&nbsp;first&nbsp;12</span></div></li>
<li><div class="src-line"><a name="a681"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;digits&nbsp;of&nbsp;the&nbsp;ISBN&nbsp;calculated&nbsp;in&nbsp;step&nbsp;1&nbsp;by&nbsp;10,&nbsp;determining&nbsp;the</span></div></li>
<li><div class="src-line"><a name="a682"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;remainder.&nbsp;(see&nbsp;p.11&nbsp;2005&nbsp;handbook)</span></div></li>
<li><div class="src-line"><a name="a683"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a684"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$remainder&nbsp;</span>=&nbsp;<span class="src-var">$sum&nbsp;</span>%&nbsp;<span class="src-num">10</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a685"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a686"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Step&nbsp;3:&nbsp;Subtract&nbsp;the&nbsp;remainder&nbsp;calculated&nbsp;in&nbsp;step&nbsp;2&nbsp;from&nbsp;10.&nbsp;The</span></div></li>
<li><div class="src-line"><a name="a687"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;resulting&nbsp;difference&nbsp;is&nbsp;the&nbsp;value&nbsp;of&nbsp;the&nbsp;check&nbsp;digit&nbsp;with&nbsp;one</span></div></li>
<li><div class="src-line"><a name="a688"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;exception.&nbsp;If&nbsp;the&nbsp;remainder&nbsp;from&nbsp;step&nbsp;2&nbsp;is&nbsp;0,&nbsp;the&nbsp;check</span></div></li>
<li><div class="src-line"><a name="a689"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;digit&nbsp;is&nbsp;0.&nbsp;(ebd.)</span></div></li>
<li><div class="src-line"><a name="a690"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a691"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$checkdigit&nbsp;</span>=&nbsp;<span class="src-num">10&nbsp;</span>-&nbsp;<span class="src-var">$remainder</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a692"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$remainder&nbsp;</span>==&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a693"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$checkdigit&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a694"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a695"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;return&nbsp;string&nbsp;value&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a696"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/is_int">is_int</a><span class="src-sym">(</span><span class="src-var">$checkdigit</span><span class="src-sym">))&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a697"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$checkdigit&nbsp;</span>=&nbsp;(string)&nbsp;<span class="src-var">$checkdigit</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a698"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a699"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/is_string">is_string</a><span class="src-sym">(</span><span class="src-var">$checkdigit</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a700"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a701"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a702"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$checkdigit</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a703"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a704"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a705"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a706"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_isIsbnValid()</span></div></li>
<li><div class="src-line"><a name="a707"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a708"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Validate&nbsp;an&nbsp;ISBN&nbsp;value</span></div></li>
<li><div class="src-line"><a name="a709"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a710"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbn&nbsp;</span><span class="src-doc">Number&nbsp;to&nbsp;validate</span></div></li>
<li><div class="src-line"><a name="a711"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$ver&nbsp;</span><span class="src-doc">&nbsp;Version&nbsp;to&nbsp;validate&nbsp;against</span></div></li>
<li><div class="src-line"><a name="a712"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a713"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">integer</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">&nbsp;&nbsp;&nbsp;Returns&nbsp;the&nbsp;Version&nbsp;to&nbsp;signal&nbsp;validity&nbsp;or&nbsp;false&nbsp;if</span></div></li>
<li><div class="src-line"><a name="a714"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ISBN&nbsp;number&nbsp;is&nbsp;not&nbsp;valid</span></div></li>
<li><div class="src-line"><a name="a715"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a716"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@access</span><span class="src-doc">&nbsp;private</span></div></li>
<li><div class="src-line"><a name="a717"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a718"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_isIsbnValid</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">,&nbsp;</span><span class="src-var">$ver&nbsp;</span>=&nbsp;<span class="src-id">ISBN_DEFAULT_INPUTVERSION</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a719"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a720"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;version&nbsp;handling&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a721"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionIs</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a722"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a723"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a724"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a725"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver&nbsp;</span>===&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_UNKNOWN">ISBN_VERSION_UNKNOWN</a></span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a726"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$ver&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionGuess</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a727"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a728"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionIsValid</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a729"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a730"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a731"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;since&nbsp;a&nbsp;version&nbsp;is&nbsp;available&nbsp;now,&nbsp;normalise&nbsp;the&nbsp;ISBN&nbsp;input&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a732"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbnn&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_normaliseISBN</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a733"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$isbnn&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a734"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a735"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a736"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;normalzied&nbsp;ISBN&nbsp;and&nbsp;Version&nbsp;available,&nbsp;it's&nbsp;ok&nbsp;now</span></div></li>
<li><div class="src-line"><a name="a737"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;to&nbsp;perform&nbsp;indepth&nbsp;checks&nbsp;per&nbsp;version&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a738"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">switch&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a739"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_10">ISBN_VERSION_ISBN_10</a></span>:</div></li>
<li><div class="src-line"><a name="a740"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a741"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;check&nbsp;syntax&nbsp;against&nbsp;checkdigit&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a742"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbnbody&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_extractISBNBody</span><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a743"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$check&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_extractCheckdigit</span><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a744"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$check&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a745"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a746"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a747"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$checkdigit&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_checkdigitISBN10</span><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a748"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$checkdigit&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a749"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a750"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a751"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$checkdigit&nbsp;</span>!==&nbsp;<span class="src-var">$check</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a752"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a753"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a754"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a755"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;check&nbsp;registrationgroup&nbsp;validity&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a756"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$registrationgroup&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a757"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$subbody&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a758"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a759"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnBodyParts</span><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">,&nbsp;</span><span class="src-var">$registrationgroup</span><span class="src-sym">,&nbsp;</span><span class="src-var">$subbody</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a760"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>==&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a761"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a762"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a763"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a764"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;check&nbsp;for&nbsp;undefined&nbsp;registrationgroup&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a765"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$registrationgroup</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a766"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a767"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a768"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a769"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;check&nbsp;registrant&nbsp;validity&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a770"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$groupid&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<a href="http://www.php.net/intval">intval</a><span class="src-sym">(</span><span class="src-var">$registrationgroup</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a771"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$registrant&nbsp;&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a772"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$publication&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a773"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a774"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnSubbodyParts</span><span class="src-sym">(</span><span class="src-var">$subbody</span><span class="src-sym">,&nbsp;</span><span class="src-var">$groupid</span><span class="src-sym">,&nbsp;</span></div></li>
<li><div class="src-line"><a name="a775"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$registrant</span><span class="src-sym">,&nbsp;</span><span class="src-var">$publication</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a776"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>==&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a777"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a778"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a779"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">true</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a780"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a781"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13">ISBN_VERSION_ISBN_13</a></span>:</div></li>
<li><div class="src-line"><a name="a782"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13_978">ISBN_VERSION_ISBN_13_978</a></span>:</div></li>
<li><div class="src-line"><a name="a783"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a784"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;validate&nbsp;EAN&nbsp;Prefix&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a785"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$ean&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_extractEANPrefix</span><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a786"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ean&nbsp;</span>!==&nbsp;<span class="src-str">'978'</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a787"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a788"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a789"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a790"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;check&nbsp;syntax&nbsp;against&nbsp;checkdigit&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a791"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbnbody&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_extractISBNBody</span><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a792"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$check&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_extractCheckdigit</span><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a793"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$check&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a794"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a795"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a796"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$checkdigit&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_checkdigitISBN13</span><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a797"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$checkdigit&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a798"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a799"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a800"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$check&nbsp;</span>!==&nbsp;<span class="src-var">$checkdigit</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a801"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a802"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a803"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a804"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;validate&nbsp;group&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a805"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbnbody&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_extractISBNBody</span><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a806"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$isbnbody&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a807"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a808"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a809"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a810"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$registrationgroup&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a811"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$subbody&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a812"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a813"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnBodyParts</span><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">,&nbsp;</span><span class="src-var">$registrationgroup</span><span class="src-sym">,&nbsp;</span><span class="src-var">$subbody</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a814"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a815"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a816"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a817"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a818"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;check&nbsp;for&nbsp;undefined&nbsp;registrationgroup&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a819"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$registrationgroup</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a820"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a821"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a822"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a823"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;validate&nbsp;publisher&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a824"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$registrant&nbsp;&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a825"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$publication&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a826"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a827"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnSubbodyParts</span><span class="src-sym">(</span><span class="src-var">$subbody</span><span class="src-sym">,&nbsp;</span><span class="src-var">$registrationgroup</span><span class="src-sym">,&nbsp;</span></div></li>
<li><div class="src-line"><a name="a828"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$registrant</span><span class="src-sym">,&nbsp;</span><span class="src-var">$publication</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a829"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a830"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a831"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a832"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$ver</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a833"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a834"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13_979">ISBN_VERSION_ISBN_13_979</a></span>:</div></li>
<li><div class="src-line"><a name="a835"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;not&nbsp;yet&nbsp;standarized&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a836"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a837"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a838"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a839"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a840"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a841"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a842"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a843"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_isbnVersionGuess()</span></div></li>
<li><div class="src-line"><a name="a844"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a845"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Guesses&nbsp;the&nbsp;version&nbsp;of&nbsp;an&nbsp;ISBN</span></div></li>
<li><div class="src-line"><a name="a846"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a847"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbn&nbsp;</span><span class="src-doc">ISBN&nbsp;Number&nbsp;of&nbsp;which&nbsp;the&nbsp;Version&nbsp;to&nbsp;guess</span></div></li>
<li><div class="src-line"><a name="a848"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a849"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">integer</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">Version&nbsp;Value&nbsp;or&nbsp;false&nbsp;(ISBN_VERSION_NONE)&nbsp;if&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a850"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@access</span><span class="src-doc">&nbsp;private</span></div></li>
<li><div class="src-line"><a name="a851"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a852"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_isbnVersionGuess</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a853"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a854"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_normaliseISBN</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a855"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$isbn&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a856"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_NONE">ISBN_VERSION_NONE</a></span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a857"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a858"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(&nbsp;</span><a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-num">10</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a859"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_10">ISBN_VERSION_ISBN_10</a></span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a860"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span><span class="src-key">else&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a861"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13">ISBN_VERSION_ISBN_13</a></span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a862"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a863"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a864"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a865"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a866"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_isbnVersionIs()</span></div></li>
<li><div class="src-line"><a name="a867"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a868"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Validate&nbsp;an&nbsp;ISBN&nbsp;Version&nbsp;value</span></div></li>
<li><div class="src-line"><a name="a869"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a870"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">mixed&nbsp;</span><span class="src-doc-var">$ver&nbsp;</span><span class="src-doc">version&nbsp;to&nbsp;be&nbsp;checked&nbsp;being&nbsp;a&nbsp;valid&nbsp;ISBN&nbsp;Version</span></div></li>
<li><div class="src-line"><a name="a871"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a872"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">bool&nbsp;</span><span class="src-doc">true&nbsp;if&nbsp;value&nbsp;is&nbsp;valid,&nbsp;false&nbsp;if&nbsp;not</span></div></li>
<li><div class="src-line"><a name="a873"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a874"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@access</span><span class="src-doc">&nbsp;private</span></div></li>
<li><div class="src-line"><a name="a875"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a876"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_isbnVersionIs</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a877"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a878"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/is_bool">is_bool</a><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)&nbsp;</span>===&nbsp;<span class="src-id">false&nbsp;</span>&amp;&amp;&nbsp;<a href="http://www.php.net/is_integer">is_integer</a><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a879"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a880"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a881"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">switch&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a882"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_NONE">ISBN_VERSION_NONE</a></span>:</div></li>
<li><div class="src-line"><a name="a883"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_UNKNOWN">ISBN_VERSION_UNKNOWN</a></span>:</div></li>
<li><div class="src-line"><a name="a884"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_10">ISBN_VERSION_ISBN_10</a></span>:</div></li>
<li><div class="src-line"><a name="a885"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13">ISBN_VERSION_ISBN_13</a></span>:</div></li>
<li><div class="src-line"><a name="a886"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13_978">ISBN_VERSION_ISBN_13_978</a></span>:</div></li>
<li><div class="src-line"><a name="a887"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13_979">ISBN_VERSION_ISBN_13_979</a></span>:</div></li>
<li><div class="src-line"><a name="a888"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">true</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a889"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a890"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">default</span>:</div></li>
<li><div class="src-line"><a name="a891"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a892"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a893"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a894"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a895"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a896"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a897"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_isbnVersionIsValid()</span></div></li>
<li><div class="src-line"><a name="a898"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a899"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Validate&nbsp;an&nbsp;ISBN&nbsp;value&nbsp;being&nbsp;a&nbsp;valid&nbsp;(identifyable&nbsp;-10&nbsp;/&nbsp;-13)&nbsp;value</span></div></li>
<li><div class="src-line"><a name="a900"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a901"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">mixed&nbsp;</span><span class="src-doc-var">$ver&nbsp;</span><span class="src-doc">value&nbsp;to&nbsp;be&nbsp;checked&nbsp;being&nbsp;a&nbsp;valid&nbsp;ISBN&nbsp;Version</span></div></li>
<li><div class="src-line"><a name="a902"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a903"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">bool&nbsp;</span><span class="src-doc">true&nbsp;if&nbsp;value&nbsp;is&nbsp;valid,&nbsp;false&nbsp;if&nbsp;not</span></div></li>
<li><div class="src-line"><a name="a904"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a905"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@access</span><span class="src-doc">&nbsp;private</span></div></li>
<li><div class="src-line"><a name="a906"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a907"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_isbnVersionIsValid</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a908"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a909"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionIs</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a910"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a911"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a912"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a913"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a914"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">switch&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a915"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_10">ISBN_VERSION_ISBN_10</a></span>:</div></li>
<li><div class="src-line"><a name="a916"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13_978">ISBN_VERSION_ISBN_13_978</a></span>:</div></li>
<li><div class="src-line"><a name="a917"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">true</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a918"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">default</span>:</div></li>
<li><div class="src-line"><a name="a919"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a920"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a921"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a922"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a923"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a924"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_normaliseISBN()</span></div></li>
<li><div class="src-line"><a name="a925"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a926"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;downformat&nbsp;&quot;any&quot;&nbsp;ISBN&nbsp;Number&nbsp;to&nbsp;the&nbsp;very&nbsp;basics</span></div></li>
<li><div class="src-line"><a name="a927"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;an&nbsp;isbn&nbsp;number&nbsp;is&nbsp;a&nbsp;10&nbsp;or&nbsp;13&nbsp;digit.&nbsp;with&nbsp;the</span></div></li>
<li><div class="src-line"><a name="a928"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;10&nbsp;digit&nbsp;string,&nbsp;the&nbsp;last&nbsp;digit&nbsp;can&nbsp;be&nbsp;0-9&nbsp;and</span></div></li>
<li><div class="src-line"><a name="a929"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;X&nbsp;as&nbsp;well,&nbsp;all&nbsp;other&nbsp;are&nbsp;0-9&nbsp;only</span></div></li>
<li><div class="src-line"><a name="a930"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;additionally&nbsp;this&nbsp;fucntion&nbsp;can&nbsp;be&nbsp;used&nbsp;to&nbsp;validate</span></div></li>
<li><div class="src-line"><a name="a931"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;the&nbsp;isbn&nbsp;against&nbsp;correct&nbsp;length&nbsp;and&nbsp;chars</span></div></li>
<li><div class="src-line"><a name="a932"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a933"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbn&nbsp;</span><span class="src-doc">ISBN&nbsp;String&nbsp;to&nbsp;normalise</span></div></li>
<li><div class="src-line"><a name="a934"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a935"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">normalised&nbsp;ISBN&nbsp;Number&nbsp;or&nbsp;false&nbsp;if&nbsp;the&nbsp;function&nbsp;was</span></div></li>
<li><div class="src-line"><a name="a936"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;not&nbsp;able&nbsp;to&nbsp;normalise&nbsp;the&nbsp;input</span></div></li>
<li><div class="src-line"><a name="a937"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a938"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@access</span><span class="src-doc">&nbsp;private</span></div></li>
<li><div class="src-line"><a name="a939"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a940"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_normaliseISBN</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a941"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a942"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;validate&nbsp;input&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a943"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<a href="http://www.php.net/settype">settype</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">,&nbsp;</span><span class="src-str">'string'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a944"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a945"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a946"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a947"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a948"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;normalize&nbsp;(trim&nbsp;&amp;&nbsp;case)*/</span></div></li>
<li><div class="src-line"><a name="a949"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>=&nbsp;<a href="http://www.php.net/trim">trim</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a950"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>=&nbsp;<a href="http://www.php.net/strtoupper">strtoupper</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a951"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a952"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;remove&nbsp;lang&nbsp;specific&nbsp;prefix&nbsp;(if&nbsp;any)&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a953"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_normaliseISBNremoveLangSpecific</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a954"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a955"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;remove&nbsp;ISBN-10:&nbsp;or&nbsp;ISBN-13:&nbsp;prefix&nbsp;(if&nbsp;any)&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a956"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$isbn&nbsp;</span>&gt;&nbsp;<span class="src-num">8</span><span class="src-sym">))&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a957"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$prefix&nbsp;</span>=&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-num">8</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a958"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$prefix&nbsp;</span>==&nbsp;<span class="src-str">'ISBN-10:'&nbsp;</span>||&nbsp;<span class="src-var">$prefix&nbsp;</span>==&nbsp;<span class="src-str">'ISBN-13:'</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a959"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>=&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">,&nbsp;</span><span class="src-num">8</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a960"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>=&nbsp;<a href="http://www.php.net/ltrim">ltrim</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a961"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a962"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a963"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a964"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;remove&nbsp;lang&nbsp;specific&nbsp;prefix&nbsp;again&nbsp;(if&nbsp;any)&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a965"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_normaliseISBNremoveLangSpecific</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a966"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a967"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;remove&nbsp;&quot;ISBN&quot;&nbsp;prefix&nbsp;(if&nbsp;any)*/</span></div></li>
<li><div class="src-line"><a name="a968"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-num">4</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-str">'ISBN'</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a969"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>=&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">,&nbsp;</span><span class="src-num">4</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a970"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a971"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a972"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;remove&nbsp;cosmetic&nbsp;chars&nbsp;and&nbsp;different&nbsp;type&nbsp;of&nbsp;spaces&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a973"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>=&nbsp;<a href="http://www.php.net/str_replace">str_replace</a><span class="src-sym">(</span><span class="src-key">array</span><span class="src-sym">(</span><span class="src-str">'-'</span><span class="src-sym">,&nbsp;</span><span class="src-str">'&nbsp;'</span><span class="src-sym">,&nbsp;</span><span class="src-str">'\t'</span><span class="src-sym">,&nbsp;</span><span class="src-str">'\n'</span><span class="src-sym">)</span><span class="src-sym">,&nbsp;</span><span class="src-str">''</span><span class="src-sym">,&nbsp;</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a974"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a975"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;take&nbsp;the&nbsp;length&nbsp;to&nbsp;check&nbsp;and&nbsp;differ&nbsp;between&nbsp;versions</span></div></li>
<li><div class="src-line"><a name="a976"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;sothat&nbsp;a&nbsp;syntaxcheck&nbsp;can&nbsp;be&nbsp;made&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a977"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$l&nbsp;</span>=&nbsp;<a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a978"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$l&nbsp;</span>!=&nbsp;<span class="src-num">10&nbsp;</span>&amp;&amp;&nbsp;<span class="src-var">$l&nbsp;</span>!=&nbsp;<span class="src-num">13</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a979"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a980"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span><span class="src-key">elseif&nbsp;</span><span class="src-sym">(</span><span class="src-var">$l&nbsp;</span>==&nbsp;<span class="src-num">10</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a981"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-sym">!</span><a href="http://www.php.net/preg_match">preg_match</a><span class="src-sym">(</span><span class="src-str">'/^[0-9]{9}[0-9X]$/'</span><span class="src-sym">,&nbsp;</span><span class="src-var">$isbn</span><span class="src-sym">))&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a982"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a983"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a984"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span><span class="src-key">elseif&nbsp;</span><span class="src-sym">(</span><span class="src-var">$l&nbsp;</span>==&nbsp;<span class="src-num">13</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a985"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-sym">!</span><a href="http://www.php.net/ctype_digit">ctype_digit</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">))&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a986"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a987"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a988"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a989"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$isbn</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a990"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a991"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a992"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a993"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_normaliseISBNremoveLangSpecific()</span></div></li>
<li><div class="src-line"><a name="a994"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a995"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;helper&nbsp;function&nbsp;for&nbsp;_normaliseISBN&nbsp;to</span></div></li>
<li><div class="src-line"><a name="a996"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;remove&nbsp;lang&nbsp;sepcific&nbsp;ISBN&nbsp;prefix</span></div></li>
<li><div class="src-line"><a name="a997"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a998"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbn&nbsp;</span><span class="src-doc">ISBN&nbsp;String&nbsp;to&nbsp;check&nbsp;(partially&nbsp;normalised)</span></div></li>
<li><div class="src-line"><a name="a999"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1000"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">&nbsp;&nbsp;input&nbsp;value&nbsp;passed&nbsp;through&nbsp;helper</span></div></li>
<li><div class="src-line"><a name="a1001"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1002"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@access</span><span class="src-doc">&nbsp;private</span></div></li>
<li><div class="src-line"><a name="a1003"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1004"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_normaliseISBNremoveLangSpecific</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1005"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1006"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$lang&nbsp;</span>=&nbsp;<a href="http://www.php.net/strtoupper">strtoupper</a><span class="src-sym">(</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_DEFAULT_PRINT_LANG_SPECIFIC_PREFIX">ISBN_DEFAULT_PRINT_LANG_SPECIFIC_PREFIX</a></span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1007"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$l&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$lang</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1008"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$l&nbsp;</span>&gt;&nbsp;<span class="src-num">0&nbsp;</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1009"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-var">$l</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-var">$lang</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1010"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>=&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">,&nbsp;</span><span class="src-var">$l</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1011"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1012"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1013"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$isbn</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1014"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1015"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1016"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1017"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;convert()</span></div></li>
<li><div class="src-line"><a name="a1018"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1019"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;converts&nbsp;an&nbsp;ISBN&nbsp;number&nbsp;from&nbsp;one&nbsp;version&nbsp;to&nbsp;another</span></div></li>
<li><div class="src-line"><a name="a1020"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;can&nbsp;convert&nbsp;ISBN-10&nbsp;to&nbsp;ISBN-13&nbsp;and&nbsp;ISBN-13&nbsp;to&nbsp;ISBN-10</span></div></li>
<li><div class="src-line"><a name="a1021"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1022"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">&nbsp;</span><span class="src-doc-var">$isbnin&nbsp;</span><span class="src-doc">&nbsp;ISBN&nbsp;to&nbsp;convert,&nbsp;must&nbsp;be&nbsp;a&nbsp;valid&nbsp;ISBN&nbsp;Number</span></div></li>
<li><div class="src-line"><a name="a1023"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">integer&nbsp;</span><span class="src-doc-var">$verfrom&nbsp;</span><span class="src-doc">version&nbsp;value&nbsp;of&nbsp;the&nbsp;input&nbsp;ISBN</span></div></li>
<li><div class="src-line"><a name="a1024"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">integer&nbsp;</span><span class="src-doc-var">$verto&nbsp;</span><span class="src-doc">&nbsp;&nbsp;version&nbsp;value&nbsp;to&nbsp;convert&nbsp;to</span></div></li>
<li><div class="src-line"><a name="a1025"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1026"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">converted&nbsp;ISBN&nbsp;Number&nbsp;or&nbsp;false&nbsp;if&nbsp;conversion&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a1027"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1028"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../ISBN/ISBN.html#methodconvert">convert</a><span class="src-sym">(</span><span class="src-var">$isbnin</span><span class="src-sym">,&nbsp;</span><span class="src-var">$verfrom&nbsp;</span>=&nbsp;<span class="src-id">ISBN_VERSION_ISBN_10</span><span class="src-sym">,&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1029"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$verto&nbsp;</span>=&nbsp;<span class="src-id">ISBN_VERSION_ISBN_13</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1030"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1031"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;validate&nbsp;input&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1032"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-sym">!</span><span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionIsValid</span><span class="src-sym">(</span><span class="src-var">$verfrom</span><span class="src-sym">))&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1033"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1034"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1035"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-sym">!</span><span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionIsValid</span><span class="src-sym">(</span><span class="src-var">$verto</span><span class="src-sym">))&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1036"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1037"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1038"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">validate</span><span class="src-sym">(</span><span class="src-var">$isbnin</span><span class="src-sym">,&nbsp;</span><span class="src-var">$verfrom</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1039"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1040"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1041"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1042"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;normalize&nbsp;input&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1043"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbnn&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_normaliseISBN</span><span class="src-sym">(</span><span class="src-var">$isbnin</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1044"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;input&nbsp;is&nbsp;ok&nbsp;now,&nbsp;let's&nbsp;convert&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1045"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">switch</span><span class="src-sym">(</span><span class="src-id">true</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1046"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-var">$verfrom&nbsp;</span>==&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_10">ISBN_VERSION_ISBN_10</a>&nbsp;</span>&amp;&amp;&nbsp;<span class="src-var">$verto&nbsp;</span>==&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13">ISBN_VERSION_ISBN_13</a></span>:</div></li>
<li><div class="src-line"><a name="a1047"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;convert&nbsp;10&nbsp;to&nbsp;13&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1048"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbnbody&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_extractISBNBody</span><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1049"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$isbnbody&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1050"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1051"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1052"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbnout&nbsp;</span>=&nbsp;<span class="src-str">'978'&nbsp;</span>.&nbsp;<span class="src-var">$isbnbody&nbsp;</span>.&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_checkdigitISBN13</span><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1053"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$isbnout</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1054"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-var">$verfrom&nbsp;</span>==&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13">ISBN_VERSION_ISBN_13</a>&nbsp;</span>&amp;&amp;&nbsp;<span class="src-var">$verto&nbsp;</span>==&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_10">ISBN_VERSION_ISBN_10</a></span>:</div></li>
<li><div class="src-line"><a name="a1055"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;convert&nbsp;13&nbsp;to&nbsp;10&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1056"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbnbody&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_extractISBNBody</span><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1057"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$isbnbody&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1058"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1059"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1060"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbnout&nbsp;</span>=&nbsp;<span class="src-var">$isbnbody&nbsp;</span>.&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_checkdigitISBN10</span><span class="src-sym">(</span><span class="src-var">$isbnbody</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1061"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$isbnout</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1062"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-var">$verfrom&nbsp;</span>==&nbsp;<span class="src-var">$verto</span>:</div></li>
<li><div class="src-line"><a name="a1063"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;version&nbsp;is&nbsp;the&nbsp;same&nbsp;so&nbsp;there&nbsp;is&nbsp;no&nbsp;need&nbsp;to&nbsp;convert&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1064"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;hej,&nbsp;praktisch!&nbsp;*/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1065"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$isbnn</span><span class="src-sym">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1066"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1067"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1068"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1069"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1070"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1071"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;getCheckdigit()</span></div></li>
<li><div class="src-line"><a name="a1072"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1073"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;the&nbsp;Checkdigit&nbsp;Part&nbsp;of&nbsp;ISBN&nbsp;Number</span></div></li>
<li><div class="src-line"><a name="a1074"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1075"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">Checkdigit&nbsp;or&nbsp;false&nbsp;if&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a1076"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1077"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../ISBN/ISBN.html#methodgetCheckdigit">getCheckdigit</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1078"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1079"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$ver&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetVersion">getVersion</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1080"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$check&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1081"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1082"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">switch&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1083"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_10">ISBN_VERSION_ISBN_10</a></span>:</div></li>
<li><div class="src-line"><a name="a1084"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$check&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_checkdigitISBN10</span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">_getISBNBody</span><span class="src-sym">(</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1085"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">break</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1086"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1087"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13">ISBN_VERSION_ISBN_13</a></span>:</div></li>
<li><div class="src-line"><a name="a1088"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$check&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_checkdigitISBN13</span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">_getISBNBody</span><span class="src-sym">(</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1089"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">break</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1090"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1091"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1092"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1093"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$check</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1094"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1095"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1096"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1097"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;getEAN()</span></div></li>
<li><div class="src-line"><a name="a1098"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1099"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;the&nbsp;EAN&nbsp;Prefix&nbsp;of&nbsp;ISBN&nbsp;Number&nbsp;(ISBN-13)</span></div></li>
<li><div class="src-line"><a name="a1100"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1101"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">EAN&nbsp;Prefix&nbsp;or&nbsp;false&nbsp;if&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a1102"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1103"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../ISBN/ISBN.html#methodgetEAN">getEAN</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1104"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1105"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$ver&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetVersion">getVersion</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1106"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver&nbsp;</span>===&nbsp;<span class="src-id">false&nbsp;</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1107"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1108"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1109"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver&nbsp;</span>==&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13_978">ISBN_VERSION_ISBN_13_978</a></span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1110"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'978'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1111"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1112"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver&nbsp;</span>==&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13_979">ISBN_VERSION_ISBN_13_979</a></span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1113"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'979'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1114"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1115"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1116"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1117"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1118"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1119"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;getGroup()</span></div></li>
<li><div class="src-line"><a name="a1120"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1121"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;the&nbsp;Registrationgroup&nbsp;Part&nbsp;of&nbsp;the&nbsp;ISBN&nbsp;Number</span></div></li>
<li><div class="src-line"><a name="a1122"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1123"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">Group&nbsp;Identifier&nbsp;or&nbsp;false&nbsp;if&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a1124"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1125"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../ISBN/ISBN.html#methodgetGroup">getGroup</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1126"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1127"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">isbn_group</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1128"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1129"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1130"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1131"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_setGroup()</span></div></li>
<li><div class="src-line"><a name="a1132"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1133"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Setter&nbsp;for&nbsp;the&nbsp;Registrationgroup&nbsp;Part&nbsp;of&nbsp;the&nbsp;ISBN&nbsp;Number</span></div></li>
<li><div class="src-line"><a name="a1134"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1135"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$group&nbsp;</span><span class="src-doc">Registrationsgroup&nbsp;to&nbsp;set</span></div></li>
<li><div class="src-line"><a name="a1136"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1137"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">void&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1138"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1139"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@throws</span><span class="src-doc">&nbsp;ISBN_Exception&nbsp;in&nbsp;case&nbsp;it&nbsp;fails</span></div></li>
<li><div class="src-line"><a name="a1140"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1141"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_setGroup</span><span class="src-sym">(</span><span class="src-var">$group</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1142"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1143"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/is_string">is_string</a><span class="src-sym">(</span><span class="src-var">$group</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1144"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Wrong&nbsp;Vartype'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1145"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1146"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$l&nbsp;</span>=&nbsp;<a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$group</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1147"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$l&nbsp;</span>&lt;&nbsp;<span class="src-num">1&nbsp;</span>||&nbsp;<span class="src-var">$l&nbsp;</span>&gt;&nbsp;<span class="src-num">5</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1148"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Wrong&nbsp;Group&nbsp;Length&nbsp;('&nbsp;</span>.&nbsp;<span class="src-var">$l&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1149"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1150"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$testbody&nbsp;&nbsp;</span>=&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$group&nbsp;</span>.&nbsp;<span class="src-str">'000000000'</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-num">9</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1151"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$testgroup&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_extractGroup</span><span class="src-sym">(</span><span class="src-var">$testbody</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1152"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$testgroup&nbsp;</span>===&nbsp;<span class="src-id">false&nbsp;</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1153"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Invalid&nbsp;Group'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1154"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1155"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$testgroup&nbsp;</span>!=&nbsp;<span class="src-var">$group</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1156"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Invalid&nbsp;Group'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1157"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1158"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">isbn_group&nbsp;</span>=&nbsp;<span class="src-var">$group</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1159"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1160"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1161"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;getISBN()</span></div></li>
<li><div class="src-line"><a name="a1162"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1163"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;whole&nbsp;ISBN&nbsp;Number</span></div></li>
<li><div class="src-line"><a name="a1164"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1165"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">ISBN&nbsp;Number&nbsp;(unformatted);&nbsp;empty&nbsp;string&nbsp;if&nbsp;this&nbsp;is</span></div></li>
<li><div class="src-line"><a name="a1166"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;not&nbsp;a&nbsp;valid&nbsp;ISBN</span></div></li>
<li><div class="src-line"><a name="a1167"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1168"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../ISBN/ISBN.html#methodgetISBN">getISBN</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1169"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1170"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$ver&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetVersion">getVersion</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1171"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver&nbsp;</span>===&nbsp;<span class="src-id">false&nbsp;</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1172"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1173"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1174"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1175"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1176"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1177"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionIsValid</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1178"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false&nbsp;</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1179"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$isbn</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1180"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1181"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1182"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetEAN">getEAN</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1183"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">_getISBNBody</span><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1184"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetCheckdigit">getCheckdigit</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1185"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1186"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$isbn</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1187"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1188"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1189"></a>&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a1190"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;getISBNDisplayable()</span></div></li>
<li><div class="src-line"><a name="a1191"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1192"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;whole&nbsp;ISBN&nbsp;Number&nbsp;in&nbsp;a&nbsp;displayable&nbsp;fashion&nbsp;(see&nbsp;Handbook&nbsp;p.&nbsp;15)</span></div></li>
<li><div class="src-line"><a name="a1193"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1194"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$format&nbsp;</span><span class="src-doc">Formatstring&nbsp;1-4&nbsp;Chars:</span></div></li>
<li><div class="src-line"><a name="a1195"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;each&nbsp;character&nbsp;is&nbsp;a&nbsp;control&nbsp;char:</span></div></li>
<li><div class="src-line"><a name="a1196"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#1&nbsp;i&nbsp;or&nbsp;not:&nbsp;use&nbsp;international&nbsp;pre-prefix</span></div></li>
<li><div class="src-line"><a name="a1197"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#2&nbsp;i&nbsp;or&nbsp;not:&nbsp;&quot;ISBN&quot;&nbsp;in&nbsp;front&nbsp;or&nbsp;v:&nbsp;incl.&nbsp;version</span></div></li>
<li><div class="src-line"><a name="a1198"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#3&nbsp;:&nbsp;or&nbsp;not:&nbsp;insert&nbsp;a&nbsp;&quot;:&quot;</span></div></li>
<li><div class="src-line"><a name="a1199"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#4&nbsp;-&nbsp;or&nbsp;not:&nbsp;use&nbsp;-&nbsp;after&nbsp;EAN&nbsp;(ISBN&nbsp;13&nbsp;only)</span></div></li>
<li><div class="src-line"><a name="a1200"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#4&nbsp;or&nbsp;=:&nbsp;use&nbsp;-&nbsp;between&nbsp;each&nbsp;ISBN&nbsp;part</span></div></li>
<li><div class="src-line"><a name="a1201"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Example&nbsp;1:</span></div></li>
<li><div class="src-line"><a name="a1202"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'&nbsp;&nbsp;&nbsp;--'&nbsp;978-0-385-33941-4</span></div></li>
<li><div class="src-line"><a name="a1203"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;classic&nbsp;displayable&nbsp;ISBN</span></div></li>
<li><div class="src-line"><a name="a1204"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Example&nbsp;2:</span></div></li>
<li><div class="src-line"><a name="a1205"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'&nbsp;v:-'&nbsp;ISBN-13:&nbsp;978-0385339414</span></div></li>
<li><div class="src-line"><a name="a1206"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ISBN-Format&nbsp;used&nbsp;by&nbsp;amazon</span></div></li>
<li><div class="src-line"><a name="a1207"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Example&nbsp;3:</span></div></li>
<li><div class="src-line"><a name="a1208"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'iv:='&nbsp;ISBN-13:&nbsp;978-0-385-33941-4</span></div></li>
<li><div class="src-line"><a name="a1209"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;full&nbsp;blown:&nbsp;more&nbsp;is&nbsp;more!</span></div></li>
<li><div class="src-line"><a name="a1210"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1211"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">ISBN&nbsp;Number&nbsp;(formatted);&nbsp;empty&nbsp;string&nbsp;if&nbsp;this&nbsp;is</span></div></li>
<li><div class="src-line"><a name="a1212"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;not&nbsp;a&nbsp;valid&nbsp;ISBN</span></div></li>
<li><div class="src-line"><a name="a1213"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1214"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../ISBN/ISBN.html#methodgetISBNDisplayable">getISBNDisplayable</a><span class="src-sym">(</span><span class="src-var">$format&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1215"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1216"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(&nbsp;</span><a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$format</span><span class="src-sym">)</span>==<span class="src-num">0&nbsp;</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1217"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$format&nbsp;</span>=&nbsp;<span class="src-str">'iv:='</span><span class="src-sym">;&nbsp;</span><span class="src-comm">//edit&nbsp;$this-&gt;ISBNFormatstring;</span></div></li>
<li><div class="src-line"><a name="a1218"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1219"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$format&nbsp;</span>=&nbsp;<a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$format&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;&nbsp;&nbsp;&nbsp;'</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-num">4</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1220"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a1221"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$ver&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetVersion">getVersion</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1222"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver&nbsp;</span>===&nbsp;<span class="src-id">false&nbsp;</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1223"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1224"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1225"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1226"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1227"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1228"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionIsValid</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1229"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false&nbsp;</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1230"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$isbn</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1231"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1232"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1233"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$format</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]&nbsp;</span>==&nbsp;<span class="src-str">'i'</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1234"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_DEFAULT_PRINT_LANG_SPECIFIC_PREFIX">ISBN_DEFAULT_PRINT_LANG_SPECIFIC_PREFIX</a></span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1235"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">))&nbsp;</span><span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-str">'&nbsp;'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1236"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1237"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a1238"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$format</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]&nbsp;</span>==&nbsp;<span class="src-str">'i'&nbsp;</span>||&nbsp;<span class="src-var">$format</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]&nbsp;</span>==&nbsp;<span class="src-str">'v'</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1239"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-str">'ISBN'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1240"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$format</span><span class="src-sym">[</span><span class="src-num">1</span><span class="src-sym">]&nbsp;</span>==&nbsp;<span class="src-str">'v'</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1241"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">switch&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1242"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_10">ISBN_VERSION_ISBN_10</a></span>:</div></li>
<li><div class="src-line"><a name="a1243"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-str">'-10'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1244"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">break</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1245"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">case&nbsp;</span><span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13">ISBN_VERSION_ISBN_13</a></span>:</div></li>
<li><div class="src-line"><a name="a1246"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-str">'-13'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1247"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">break</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1248"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1249"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1250"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1251"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a1252"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$format</span><span class="src-sym">[</span><span class="src-num">2</span><span class="src-sym">]&nbsp;</span>==&nbsp;<span class="src-str">':'</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1253"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-str">':'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1254"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1255"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a1256"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">))&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1257"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-str">'&nbsp;'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1258"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1259"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a1260"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver&nbsp;</span>==&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13_978">ISBN_VERSION_ISBN_13_978</a>&nbsp;</span>||&nbsp;<span class="src-var">$ver&nbsp;</span>==&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_ISBN_13_979">ISBN_VERSION_ISBN_13_979</a></span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1261"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetEAN">getEAN</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1262"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$format</span><span class="src-sym">[</span><span class="src-num">3</span><span class="src-sym">]&nbsp;</span>==&nbsp;<span class="src-str">'-'&nbsp;</span>||&nbsp;<span class="src-var">$format</span><span class="src-sym">[</span><span class="src-num">3</span><span class="src-sym">]&nbsp;</span>==&nbsp;<span class="src-str">'='</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1263"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_DEFAULT_COSMETIC_SEPERATOR">ISBN_DEFAULT_COSMETIC_SEPERATOR</a></span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1264"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1265"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1266"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a1267"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$seperator&nbsp;</span>=&nbsp;<span class="src-sym">(</span><span class="src-var">$format</span><span class="src-sym">[</span><span class="src-num">3</span><span class="src-sym">]&nbsp;</span>==&nbsp;<span class="src-str">'='</span><span class="src-sym">)&nbsp;</span>?&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_DEFAULT_COSMETIC_SEPERATOR">ISBN_DEFAULT_COSMETIC_SEPERATOR</a>&nbsp;</span>:&nbsp;<span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1268"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a1269"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetGroup">getGroup</a><span class="src-sym">(</span><span class="src-sym">)&nbsp;</span>.&nbsp;<span class="src-var">$seperator</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1270"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetPublisher">getPublisher</a><span class="src-sym">(</span><span class="src-sym">)&nbsp;</span>.&nbsp;<span class="src-var">$seperator</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1271"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetTitle">getTitle</a><span class="src-sym">(</span><span class="src-sym">)&nbsp;</span>.&nbsp;<span class="src-var">$seperator</span><span class="src-sym">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1272"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>.=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetCheckdigit">getCheckdigit</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1273"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1274"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$isbn</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1275"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a1276"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1277"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1278"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1279"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;setISBN()</span></div></li>
<li><div class="src-line"><a name="a1280"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1281"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Setter&nbsp;for&nbsp;ISBN</span></div></li>
<li><div class="src-line"><a name="a1282"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1283"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbn&nbsp;</span><span class="src-doc">ISBN&nbsp;Number</span></div></li>
<li><div class="src-line"><a name="a1284"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this&nbsp;is&nbsp;a&nbsp;valid&nbsp;ISBN&nbsp;Number&nbsp;or&nbsp;it&nbsp;is&nbsp;an&nbsp;Empty&nbsp;string</span></div></li>
<li><div class="src-line"><a name="a1285"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;which&nbsp;will&nbsp;reset&nbsp;the&nbsp;class</span></div></li>
<li><div class="src-line"><a name="a1286"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1287"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">void&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1288"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1289"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@throws</span><span class="src-doc">&nbsp;ISBN_Exception&nbsp;in&nbsp;case&nbsp;it&nbsp;fails</span></div></li>
<li><div class="src-line"><a name="a1290"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1291"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1292"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../ISBN/ISBN.html#methodsetISBN">setISBN</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1293"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1294"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$isbn&nbsp;</span>==&nbsp;<span class="src-str">''</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1295"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">ver&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_NONE">ISBN_VERSION_NONE</a></span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1296"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">isbn_group&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1297"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">isbn_publisher&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1298"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">isbn_title&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1299"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span><span class="src-key">else&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1300"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbnn&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_normaliseISBN</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1301"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$ver&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_getVersion</span><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1302"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1303"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Invalid&nbsp;ISBN'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1304"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1305"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver&nbsp;</span>!=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">ver&nbsp;</span><span class="src-key">and&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">ver&nbsp;</span>!==&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_NONE">ISBN_VERSION_NONE</a></span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1306"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span></div></li>
<li><div class="src-line"><a name="a1307"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-str">'ISBN&nbsp;Version&nbsp;of&nbsp;passed&nbsp;ISBN&nbsp;('&nbsp;</span>.&nbsp;<span class="src-var">$ver&nbsp;</span>.&nbsp;<span class="src-str">')&nbsp;'</span>.</div></li>
<li><div class="src-line"><a name="a1308"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-str">'does&nbsp;not&nbsp;match&nbsp;existing&nbsp;('&nbsp;</span>.&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">ver&nbsp;</span>.&nbsp;<span class="src-str">').'</span></div></li>
<li><div class="src-line"><a name="a1309"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1310"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span><span class="src-key">elseif&nbsp;</span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">ver&nbsp;</span>===&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_NONE">ISBN_VERSION_NONE</a></span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1311"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">ver&nbsp;</span>=&nbsp;<span class="src-var">$ver</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1312"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1313"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$body&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_extractISBNBody</span><span class="src-sym">(</span><span class="src-var">$isbnn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1314"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$body&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1315"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Invalid&nbsp;ISBN&nbsp;(could&nbsp;not&nbsp;extract&nbsp;body)'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1316"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1317"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;try&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1318"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">_setISBNBody</span><span class="src-sym">(</span><span class="src-var">$body</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1319"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span>catch&nbsp;<span class="src-sym">(</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a>&nbsp;</span><span class="src-var">$e</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1320"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span></div></li>
<li><div class="src-line"><a name="a1321"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-str">'Invalid&nbsp;ISBN&nbsp;(invalid&nbsp;body&nbsp;&quot;'&nbsp;</span>.&nbsp;<span class="src-var">$body&nbsp;</span>.&nbsp;<span class="src-str">'&quot;)'</span><span class="src-sym">,&nbsp;</span><span class="src-var">$e</span></div></li>
<li><div class="src-line"><a name="a1322"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1323"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1324"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1325"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1326"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1327"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1328"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_getISBNBody()</span></div></li>
<li><div class="src-line"><a name="a1329"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1330"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;_getISBNBody()</span></div></li>
<li><div class="src-line"><a name="a1331"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1332"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">ISBN&nbsp;Body&nbsp;(not&nbsp;an&nbsp;offical&nbsp;term)</span></div></li>
<li><div class="src-line"><a name="a1333"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1334"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_getISBNBody</span><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1335"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1336"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$body&nbsp;&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1337"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$body&nbsp;</span>.=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetGroup">getGroup</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1338"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$body&nbsp;</span>.=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">_getISBNSubbody</span><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1339"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$body</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1340"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1341"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1342"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1343"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_setISBNBody()</span></div></li>
<li><div class="src-line"><a name="a1344"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1345"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;_setISBNBody()</span></div></li>
<li><div class="src-line"><a name="a1346"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1347"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Setter&nbsp;for&nbsp;ISBNBody</span></div></li>
<li><div class="src-line"><a name="a1348"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1349"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$body&nbsp;</span><span class="src-doc">ISBNBody</span></div></li>
<li><div class="src-line"><a name="a1350"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1351"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">void&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1352"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1353"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@throws</span><span class="src-doc">&nbsp;ISBN_Exception&nbsp;in&nbsp;case&nbsp;it&nbsp;fails</span></div></li>
<li><div class="src-line"><a name="a1354"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1355"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_setISBNBody</span><span class="src-sym">(</span><span class="src-var">$body</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1356"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1357"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;validate&nbsp;parameter&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1358"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/is_string">is_string</a><span class="src-sym">(</span><span class="src-var">$body</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1359"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Not&nbsp;a&nbsp;Body:&nbsp;wrong&nbsp;variabletype'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1360"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1361"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$body</span><span class="src-sym">)&nbsp;</span>!=&nbsp;<span class="src-num">9</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1362"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Not&nbsp;a&nbsp;Body:&nbsp;wrong&nbsp;body&nbsp;length'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1363"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1364"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/ctype_digit">ctype_digit</a><span class="src-sym">(</span><span class="src-var">$body</span><span class="src-sym">)&nbsp;</span>!==&nbsp;<span class="src-id">true</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1365"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Not&nbsp;a&nbsp;Body:&nbsp;syntactically&nbsp;not&nbsp;a&nbsp;body'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1366"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1367"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1368"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;validate&nbsp;body&nbsp;by&nbsp;extracting&nbsp;and&nbsp;validating&nbsp;parts&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1369"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$group&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1370"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$subbody&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1371"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1372"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnBodyParts</span><span class="src-sym">(</span><span class="src-var">$body</span><span class="src-sym">,&nbsp;</span><span class="src-var">$group</span><span class="src-sym">,&nbsp;</span><span class="src-var">$subbody</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1373"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>==&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1374"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Invalid&nbsp;Body'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1375"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1376"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a1377"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;try&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1378"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">_setGroup</span><span class="src-sym">(</span><span class="src-var">$group</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1379"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span>catch&nbsp;<span class="src-sym">(</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a>&nbsp;</span><span class="src-var">$e</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1380"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id">Exception</span><span class="src-sym">(</span><span class="src-str">'Invalid&nbsp;Body:&nbsp;Group&nbsp;is&nbsp;invalid'</span><span class="src-sym">,&nbsp;</span><span class="src-var">$e</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1381"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1382"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1383"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;try&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1384"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">_setISBNSubbody</span><span class="src-sym">(</span><span class="src-var">$subbody</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1385"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span>catch&nbsp;<span class="src-sym">(</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a>&nbsp;</span><span class="src-var">$e</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1386"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span></div></li>
<li><div class="src-line"><a name="a1387"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-str">'Invalid&nbsp;Body:&nbsp;Subbody&nbsp;is&nbsp;invalid&nbsp;('&nbsp;</span>.&nbsp;<span class="src-var">$e</span><span class="src-sym">-&gt;</span><span class="src-id">getMessage</span><span class="src-sym">(</span><span class="src-sym">)&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">,&nbsp;</span><span class="src-var">$e</span></div></li>
<li><div class="src-line"><a name="a1388"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1389"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1390"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1391"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1392"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1393"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_getISBNSubbody()</span></div></li>
<li><div class="src-line"><a name="a1394"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1395"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;ISBNSubbody&nbsp;()</span></div></li>
<li><div class="src-line"><a name="a1396"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1397"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">ISBN&nbsp;</span><span class="src-doc">Subbody</span></div></li>
<li><div class="src-line"><a name="a1398"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1399"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_getISBNSubbody</span><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1400"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1401"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$subbody&nbsp;&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1402"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$subbody&nbsp;</span>.=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetPublisher">getPublisher</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1403"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$subbody&nbsp;</span>.=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetTitle">getTitle</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1404"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$subbody</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1405"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1406"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1407"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1408"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;_setISBNSubbody()</span></div></li>
<li><div class="src-line"><a name="a1409"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1410"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;_setISBNSubbody</span></div></li>
<li><div class="src-line"><a name="a1411"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1412"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Setter&nbsp;for&nbsp;the&nbsp;ISBN&nbsp;Subbody</span></div></li>
<li><div class="src-line"><a name="a1413"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1414"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$subbody&nbsp;</span><span class="src-doc">ISBN&nbsp;Subbody</span></div></li>
<li><div class="src-line"><a name="a1415"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1416"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">void&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1417"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1418"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@throws</span><span class="src-doc">&nbsp;ISBN_Exception&nbsp;in&nbsp;case&nbsp;it&nbsp;fails</span></div></li>
<li><div class="src-line"><a name="a1419"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1420"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">_setISBNSubbody</span><span class="src-sym">(</span><span class="src-var">$subbody</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1421"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1422"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;validate&nbsp;parameter&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1423"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/is_string">is_string</a><span class="src-sym">(</span><span class="src-var">$subbody</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1424"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Wrong&nbsp;Vartype'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1425"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1426"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$l&nbsp;</span>=&nbsp;<a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$subbody</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1427"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(&nbsp;</span><span class="src-var">$l&nbsp;</span>&lt;&nbsp;<span class="src-num">4&nbsp;</span>||&nbsp;<span class="src-var">$l&nbsp;</span>&gt;&nbsp;<span class="src-num">8</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1428"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Not&nbsp;a&nbsp;Subbody&nbsp;by&nbsp;length'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1429"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1430"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;validate&nbsp;by&nbsp;setting&nbsp;apart&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1431"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$registrant&nbsp;&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1432"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$publication&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1433"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$groupid&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<a href="http://www.php.net/intval">intval</a><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">isbn_group</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1434"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a1435"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnSubbodyParts</span><span class="src-sym">(</span><span class="src-var">$subbody</span><span class="src-sym">,&nbsp;</span><span class="src-var">$groupid</span><span class="src-sym">,&nbsp;</span><span class="src-var">$registrant</span><span class="src-sym">,&nbsp;</span><span class="src-var">$publication</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1436"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1437"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../ISBN/ISBN_Exception.html">ISBN_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Can\'t&nbsp;break'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1438"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1439"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;edit+&nbsp;setter/getter&nbsp;for&nbsp;Registrant/Publisher&nbsp;and&nbsp;Title/Publication&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1440"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">isbn_publisher&nbsp;</span>=&nbsp;<span class="src-var">$registrant</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1441"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">isbn_title&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-var">$publication</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1442"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1443"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1444"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;getPublisher()</span></div></li>
<li><div class="src-line"><a name="a1445"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1446"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;the&nbsp;Publication&nbsp;Part&nbsp;of&nbsp;the&nbsp;ISBN&nbsp;Number</span></div></li>
<li><div class="src-line"><a name="a1447"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1448"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">Publisher&nbsp;or&nbsp;false&nbsp;if&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a1449"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1450"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../ISBN/ISBN.html#methodgetPublisher">getPublisher</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1451"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1452"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">isbn_publisher</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1453"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1454"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1455"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1456"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;getTitle()</span></div></li>
<li><div class="src-line"><a name="a1457"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1458"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;the&nbsp;Title&nbsp;Part&nbsp;of&nbsp;the&nbsp;ISBN&nbsp;Number</span></div></li>
<li><div class="src-line"><a name="a1459"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1460"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">Title&nbsp;or&nbsp;false&nbsp;if&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a1461"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1462"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../ISBN/ISBN.html#methodgetTitle">getTitle</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1463"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1464"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">isbn_title</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1465"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1466"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1467"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1468"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1469"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;isValid()</span></div></li>
<li><div class="src-line"><a name="a1470"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1471"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;this&nbsp;ISBN&nbsp;validity</span></div></li>
<li><div class="src-line"><a name="a1472"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1473"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">boolean&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1474"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1475"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../ISBN/ISBN.html#methodisValid">isValid</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1476"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1477"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$isbn&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetISBN">getISBN</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1478"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">validate</span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetISBN">getISBN</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">,&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../ISBN/ISBN.html#methodgetVersion">getVersion</a><span class="src-sym">(</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1479"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span>(bool)&nbsp;<span class="src-var">$r</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1480"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1481"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1482"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;validate()</span></div></li>
<li><div class="src-line"><a name="a1483"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1484"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Validates&nbsp;an&nbsp;ISBN</span></div></li>
<li><div class="src-line"><a name="a1485"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1486"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">&nbsp;</span><span class="src-doc-var">$isbn&nbsp;</span><span class="src-doc">ISBN&nbsp;to&nbsp;validate</span></div></li>
<li><div class="src-line"><a name="a1487"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">integer&nbsp;</span><span class="src-doc-var">$ver&nbsp;</span><span class="src-doc">&nbsp;ISBN-Version&nbsp;to&nbsp;validate&nbsp;against</span></div></li>
<li><div class="src-line"><a name="a1488"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1489"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">integer</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">&nbsp;&nbsp;&nbsp;Version&nbsp;value&nbsp;of&nbsp;a&nbsp;valid&nbsp;ISBN&nbsp;or&nbsp;false</span></div></li>
<li><div class="src-line"><a name="a1490"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;it&nbsp;did&nbsp;not&nbsp;validate</span></div></li>
<li><div class="src-line"><a name="a1491"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1492"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../ISBN/ISBN.html#methodvalidate">validate</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">,&nbsp;</span><span class="src-var">$ver&nbsp;</span>=&nbsp;<span class="src-id">ISBN_DEFAULT_INPUTVERSION</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1493"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1494"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionIs</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1495"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1496"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1497"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1498"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$ver&nbsp;</span>===&nbsp;<span class="src-id"><a href="../ISBN/_ISBN.php.html#defineISBN_VERSION_UNKNOWN">ISBN_VERSION_UNKNOWN</a></span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1499"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$ver&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionGuess</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1500"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1501"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionIsValid</span><span class="src-sym">(</span><span class="src-var">$ver</span><span class="src-sym">)&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1502"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1503"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1504"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isIsbnValid</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">,&nbsp;</span><span class="src-var">$ver</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1505"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$r&nbsp;</span>===&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1506"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1507"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1508"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$ver</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1509"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1510"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1511"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1512"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;getVersion()</span></div></li>
<li><div class="src-line"><a name="a1513"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1514"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;version&nbsp;of&nbsp;this&nbsp;objects&nbsp;ISBN</span></div></li>
<li><div class="src-line"><a name="a1515"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1516"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">integer</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">&nbsp;Version&nbsp;value&nbsp;or&nbsp;ISBN_VERSION_NONE</span></div></li>
<li><div class="src-line"><a name="a1517"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1518"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../ISBN/ISBN.html#methodgetVersion">getVersion</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1519"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1520"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">ver</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1521"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1522"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1523"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1524"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;{{{&nbsp;guessVersion()</span></div></li>
<li><div class="src-line"><a name="a1525"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a1526"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Guesses&nbsp;ISBN&nbsp;version&nbsp;of&nbsp;passed&nbsp;string</span></div></li>
<li><div class="src-line"><a name="a1527"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a1528"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Note:&nbsp;This&nbsp;is&nbsp;not&nbsp;Validation.&nbsp;To&nbsp;get&nbsp;the&nbsp;validated</span></div></li>
<li><div class="src-line"><a name="a1529"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;version&nbsp;of&nbsp;an&nbsp;ISBN&nbsp;Number&nbsp;use&nbsp;self::validate();</span></div></li>
<li><div class="src-line"><a name="a1530"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1531"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$isbn&nbsp;</span><span class="src-doc">ISBN&nbsp;Number&nbsp;to&nbsp;guess&nbsp;Version&nbsp;of</span></div></li>
<li><div class="src-line"><a name="a1532"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1533"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">integer</span><span class="src-doc">|</span><span class="src-doc-type">false</span><span class="src-doc">&nbsp;&nbsp;&nbsp;Version&nbsp;Value&nbsp;or&nbsp;false&nbsp;if&nbsp;failed</span></div></li>
<li><div class="src-line"><a name="a1534"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a1535"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@see</span><span class="src-doc">&nbsp;validate();</span></div></li>
<li><div class="src-line"><a name="a1536"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a1537"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">static&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../ISBN/ISBN.html#methodguessVersion">guessVersion</a><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a1538"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a1539"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$r&nbsp;</span>=&nbsp;<span class="src-id">self</span><span class="src-sym">::</span><span class="src-id">_isbnVersionGuess</span><span class="src-sym">(</span><span class="src-var">$isbn</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1540"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$r</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a1541"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1542"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;}}}</span></div></li>
<li><div class="src-line"><a name="a1543"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a1544"></a><span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a1545"></a><span class="src-php">?&gt;</span></div></li>
</ol>
</div>
        <div class="credit">
		    <hr />
		    Documentation generated on Tue, 06 Mar 2007 01:03:06 +0100 by <a href="http://www.phpdoc.org">phpDocumentor 1.3.1</a>
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